Before I repost from my comments on the blog, I'd like to point out that there's necessarily a sweet spot that has to be reached on this. No restrictions on redundancy makes us end up like powerlisting wiki, where we'll get pages for fork mimicry and conceptual baking. Treating everything as redundant leaves us with
Reality Warping as the only power. Anyway, onto the repost.
Genius Intelligence, Martial Arts, Nigh-Omniscience, Omniscience, Vehicular Mastery, Superhuman Physical Characteristics, and Superhuman Speed all imo seem to be relics of the older ways of wiki functioning. They also kind of seem intended to give powers to characters who don't actually have any special abilities. I'm fine with these being removed.
Stealth Mastery isn't just intelligence, and is often disjointed from it.
Nigh-Omnipresence and Omnipresence aren't like conventional speeds, and are more like abilities. They're included in the speed section since they're kind of comparable to a speed.
Time Stop and Time Manipulation should be separate, them being separate is a distinction often made in fiction. Many characters who resist time manipulation don't resist time stop, same with the other way around.
Resistance Negation might be able to be removed.
All those subsets of "Elemental Manipulation" should be distinct, since in most fiction controlling or resisting one of those things doesn't spread to controlling/resisting any other elements.
Nonexistent Physiology is a distinct power from being Non-Corporeal, and gives extra abilities that being Non-Corporeal doesn't.
It's probably good for Resurrection to have a whole page explaining it rather than a single sentence on the immortality page. Regenerationn needs to be its own thing since it has its own types, and it'd look pretty ugly to merge those with Immortality.
Fear Manipulation is more common as a standalone thing than something like "Happiness Manipulation" or "Sadness Manipulation", the rest of Empathic Manipulation is often combined together, and when it isn't it's much rarer than Fear Manipulation.
I'm neutral on Madness Manipulation.
Absolute Zero has specific requirements on being given, and specific additional abilities (durability negation) that it should probably stay separate.
Your point about Durability Negation is too vague.
Power Absorption is a different ability to Absorption.
Rage Power has extra effects that Statistics Amplification doesn't have, and seems to have enough notability to be a standalone thing.
I'm not sure why Toon Force was ever its own page, so I don't feel qualified to say whether it should stay or go.
Gravity Manipulation, Spatial Manipulation, etc. shouldn't go under Physics Manipulation. They usually don't actually change physics itself.
Weapon Creation shouldn't be its own thing, I've been moderately against it being created in the first place.
Abstract Existence Type 1 is distinct in that they're tied to a concept. That and its similarity to other, more distinct, types of Abstract Existence means it should stay as its own thing.
Aura isn't always actual literal energy. Energy Projection is a subset but it's common enough and doesn't let its users do many things Energy Manipulation allows for it to stand as its own page.
Plot Manipulation isn't always reality warping/fate manipulation. Every ability's technically reality warping.
Memory Manipulation is distinct in its application. Characters who can rewrite their own memories wouldn't be able to rewrite their personalities as mind manipulation would imply. When something's this common it's best to clarify it in its own page, rather than specifying "btw it only works on memories" on every single profile it has.
Perception Manipulation and Sense Manipulation aren't always Illusion Creation.
Reactive Power Level should be merged.
Animated Shadow is probably niche enough to be merged.
I'm neutral on Petrification.
Super Saiyan Transformations seems to me more like an explanation page for the verse's transformations rather than an actual separate power, and this seems fine to me, considering how large Dragon Ball is.
In summary:
Agree: Genius Intelligence,
Martial Arts,
Nigh-Omniscience,
Omniscience,
Vehicular Mastery,
Superhuman Physical Characteristics,
Superhuman Speed,
Resistance Negation,
Weapon Creation,
Reactive Power Level,
Animated Shadow
Disagree: Stealth Mastery,
Nigh-Omnipresence,
Omnipresence,
Time Stop, subsets of
Elemental Manipulation,
Nonexistent Physiology,
Resurrection,
Regenerationn,
Fear Manipulation,
Absolute Zero,
Durability Negation-esque abilities,
Power Absorption,
Rage Power,
Gravity Manipulation,
Spatial Manipulation,
Abstract Existence Type 1,
Aura,
Energy Projection,
Plot Manipulation,
Memory Manipulation,
Perception Manipulation,
Sense Manipulation,
Super Saiyan Transformations
Neutral: Madness Manipulation Type 2,
Toon Force,
Petrification