I will admit that Spaz is probably better in duels.(which is part of why I don't like to play duels) But in 2v2 or 3v3 it is not nearly as important to do fancy duel moves: as, in team games it is more important to understand circumstances and situations to take advantage of them when you can: things like, not everyone has all ammo all the time, ect..
As for most levels being made for spaz, I don't see it. Most ctf levels don't have any important jumps that you have to be Spaz to make: the only significant disadvantage I have playing as Lori rather than Spaz, is that Lori cannot turn around fast like Spaz can.(with his double jump Spaz go fast in one direction then suddenly turn around, thus avoid getting hit.) Because of this, I try to not get in to places where I will have to turn around suddenly or jump in midair to avoid getting hit. I will also note that in ctf, Spaz's sidekick is inferior to Lori's.
Anyway, Treylina, I think maybe nobody will be able to negrep you very much, because they have already done it too much. (Just like I cannot give you any rep because I have already given you too much.) Besides, if you make good posts and they get negreped, that's just too bad.