This is still going on... anyway, I agree with both sides to some extent. If the characters with Toon Force have either an in verse reason of their varied power our something along that line, the should get various but if not, they shouldn't. I'm tired but I'll give my thoughts but nothing I'm going to say now is anything new that hasn't already been said in some way.
One of the verses I work on has cartoon characters that do wacky stuff and seemingly very in power (
Camp Lakebottom), however, they are rated as 9-B, likely 9-A because this is their most consistent tier for feats, the higher feats are building to much size explosions but those are either gag feats or too few. However, the verse actually has no real sub human feats, the characters despite being toons are consistent in their superhuman portrayal so it's not like all toon force users will suffer. There is even a legit tier 5 feat done by a character in the verse that's valid because it's actually explained in verse. Honestly, if the toons got the reasoning, be it a statement, a power system, or something that theoretically explains their buff or debuff, give them varies, I don't care if it was a sudden burst of courage or whatever but if they have nothing explaining such mass change in statistics then simply they don't get it.
And to reiterate my point on many toon force users won't suffer. I mean that the low end feats (those sub human ones) aren't even going to be in consideration when we know they are out preformed by them just living life. SpongeBob (Note: He doesn't have a Varies rating anymore but he's still an example) for example can't be scaled to being unable to lift those teddy bears or marshmallows because he's already got higher feats simply by doing his job. It still comes down to consistency. If they have legitimate Tier 4 or whatever feats that have an explanation behind it and not just a random one time event it would still be valid even if they had more Tier 9 feats. What matters is if those tier 9 feats are consistently shown as a cap, dangerous to them, or struggle with them. We should treat them like any other verse. Heck it i remember correctly, SpongeBob has some legit reasons for some of his feats fluctuating (not all the time) but he can legit still have Varies as a rating, it just needs a description. (Note: Once again, this is just an example, I'm not advocating to downgrade SpongeBob specifically, this is just an example using a character I'm familiar with)