MikeMatevery change you listed has zero chance of making the game better or more fun but a nonzero chance of making it worse
This logic applies to currently unbanned weapons like the quickiebomb launcher, scorch shot and loose cannon just to name a few. All of which haven't ruined the game nor made the game worse by any significant measure.
Of course my opinion isn't law by any means but I don't think theorycrafting whether a weapon hurts competitive play has any substance