I honestly don't understand your claim. Are you trying to say that all Ki techniques/abilities should fall under the exact same resistance/immunity? So the Mafuba should be treated as the same as a Hakai?
You are claiming it's a 'flaw in the technique', but you can also apply that to virtually every power system in all of fiction. In fact, you can apply that to virtually everything in reality as well.
Inherently speaking, where does any Dragon Ball character resist sealing techniques, transmutation or assimilation? Is there any basis indicating they can resist or overpower such hax? If there is no such basis, you can't claim Hakai and Cage of Time are just 'flawed' unless there is a basis for flawed transmutation, flawed assimilation or flawed sealing.
Consider it from this perspective:
- Character A has a technique that breaks every bone in his target's body
- Character B trains his body so relentlessly that his bones are unbreakable, every character scaling to Character B or higher also has unbreakable bones due to it being the nature of raw power rather than a technique or specific ability
- Hence, Character B (and everyone scaling to or above them) would have unbreakable bones.
Now say if we used it with your logic:
- Character C's technique paralyses the opponent, and can not be resisted.
- Since Character C's technique can not be resisted, Character A's technique, having only been capable of breaking breakable bones, is thus 'flawed'
- Therefore, characters with unbreakable bones do not truly have unbreakable bones, they are just resisting a 'flawed' bone breaking technique.
- This all makes sense because Character A, B and C are using the same energy to fuel their techniques
Do you see the flaw here? Jiren resists Time Manipulation and Vegeta resists Existence Erasure, via brute force. They simply
overpower the hax. But you are claiming, since DB characters lack resistances to sealing, transmutation or assimilation, it means that the Time and EE hax is simply
flawed despite being completely separate techniques, using completely different hax. Their only correlation is using the same energy.
So apparently, Jiren can't resist EE and Vegeta can't resist Time Manipulation, even though their resistances is purely a result of power because they can't resist other hax such as sealing, and this is due to them sharing the same energy as the basis for said techniques which is, honestly, completely nonsensical when compared to any other power system.
The entire point is moot, anyways. Nothing indicates Monster Carrot's transmutation is Ki-related. Buu's assimilation is related to his physiology, same as Cell. The only actual technique you mention is Mafuba, which has never been resisted, even then it can be deflected.
Hakai uses destruction energy as the basis for its hax, rather than just Ki, so it shouldn't even apply to the resistance argument in the first place.
Overall, your argument could only apply to Time resistance versus Sealing resistance as both, presumably, Ki techniques.
tl;dr All of the techniques you mention (barring Mafuba) are either physiology-related or never stated to be Ki-related. Hakai uses energy separate/different from Ki alongside Ki (energy of destruction as well as Ki) making it too different to compare to resisting pure Ki techniques.
Your overall argument only adheres to Mafuba versus Time Skip and nothing else, but we have seen multiple characters resist time manipulation via brute force (Goku and Jiren) and destroying/tearing spacetime has been a thing since the Buu saga so Time resistance isn't far-fetched.
