Many of the things you listed specifically as "anti-wobbling" techniques are skills that people need to have in order to do well against ICs in the first place. Yes, wobbling does warp the pay-off matrix in a lot of potential encounters, but I don't think anything is that radically different from playing against ICs without wobbling, especially for characters whom the ICs can ztd anyways, so I reject the notion that it detracts too much from "normal gameplay." Then again, "normal gameplay" isn't very well-defined and you may have a different perception of what that means than I do.
I view banning wobbling as nerfing a character(s) that isn't broken to begin with.
Have you ever been on the opposite side vs IC's both with and without wobbling, during high level matches?
I'm saying, there's a distinct difference in the way many characters will approach the match with this tactic allowed and with this tactic banned.
If not blatantly through technique for some characters, at least in wariness, and as you said, it warps the pay-off matrix so that a lot of techniques that would deliver enough reward for the risk no longer become viable.
Except for characters you can ZTD, as you stated.
But what characters does that include?
And as for those anti-wobbling techniques and how they don't apply to IC's without wobbling, and for any other character for that matter, I'll list one example for now, I can do more later:
With wobbling, the importance of killing nana increases exponentially, since your only purpose while she is alive is to avoid getting grabbed. Damage building takes a huge back seat since 1. It's too risky and 2. A lead is diminished quickly and easily by wobbling, making it less important.
In a non wobbling match, when nana is off the stage, and you are within range to attack me, I allow nana back in almost every single instant.
With wobbling on, I kill her, take the damage and disadvantaged position of being edgeguarded, because it is a trade off I'm supposed to take in order to
possibly kill off popo and gain a stock lead.
I understand there are stylistic differences in match ups that one is supposed to take, but in no other instance must I consider additional damage and an edgeguard opportunity to my opponent's advantage as a
good trade off for dealing zero damage upon him.
This isn't even demanded on a regular IC match, only in wobbling instances.
I have yet to address the fact that this effect of wobbling lasts for every stock of every match vs every character, unlike other techniques that have similar gameplay detracting effects (Jigg's rest, Brawl Falco Chaingrab) which only affect some characters, at some percentages. Furthermore, the ease of use for wobbling far exceeds that of other techniques with similar effects as well, and if not, it certainly exceeds the benefits.