Gheb you could have saved yourself a lot of time and just said Stock Rematch. That is the only acceptable alternative to the current rule. Everything else is either impractical or completely obviously worse.
As for the Pro Ban part, the way you said it was a generalization. Asking people not to interpret it as a generalization would require you to word it in a way that would not make it look like a blatant generalization. "Just because it doesn't apply to you, doesn't mean it refrains from applying to everyone else" AKA, generalization. Pro Ban (not people who have that belief, not a portion of Pro Ban, but simple "Pro Ban". Dunno how much broader you can get besides "everyone" when making a statement).
There are also Anti Ban players who shoot down your suggestions when they involved garbage stuff like ground time or air time limit. A lot of players on either side have been looking at stock and % combinations besides the status quo, for awhile now. Over a year and a half, maybe totaling 2 years even (not in a majority fashion, but when that idea first started gathering steam). Same thing with stages, LGL's/Scrooging rules/rules specifically for MK to keep him in the game, etc.
Personally I would move the game down to 2 stock 6 min. I think that's adequate in giving people time to adapt/come back from an SD/keep the game hype, while shortening set times and giving tournaments more breathing room (as well as attracting newer players easier). I'd also experiment with the stock rematch rule (although have the % win timeout rule apply after the rematch if time goes out yet again). I think that format would be better for the game regardless of your stances on LGL's/other MK rules, and how you feel about stages.
Jebus, your rules are ineffective and even worse than the current % timeout rule. Just cut it out. Air time rules punish people for doing more than actual stalling, and thus it's a worse rule than rules AIMED specifically at stalling. Being on the edge is bad, limit edge interaction. Being on the edge is bad, limit the amount of time you can be airborne. NOT the same thing at all and let's not pretend that's acceptable.