See, those are all very reasonable objections to the proposed change. They are also (with one exception) not the objections I see being raised.

The exception is the dullness argument, which--as you point out--seems to misunderstand what sort of beast the bulletin of a professional association even is. None of the objectors gave examples of other industry newsletters which they felt had been neutred by political correctness; instead they trotted out examples of avantgarde literature, because censorship. Meanwhile, one of the single best responses to the controversy has been this.