Unless a term has a truly heinous origin or history, I think it might be better to work out together what is meant by it than to simply run from it.
Neurotypical has to do with wiring. It's different from chemical imbalances, physical injuries, and the damaging psychological results of traumatic experiences. So, calling someone an NT is not the same as universally labeling all people not on the autism spectrum as "normal" (which can, in itself, be used as a kind of insult) or saying they're all alike. Individuals who say insulting things about non-autistics are responsible for their own attitudes (not accusing anyone here of anything, just making a point).
Neurotypical is a technical term. If non-autistic or something similar works best for you in discussing things with someone, because it's a term that's reacted to better, then use it. If neurotypical or NT is received okay, then use that when it seems appropriate. The point is to be able to hold a discussion. It seems to me that it takes little from anyone to switch from one of those terms to the other, out of respect for the person you're talking to. If a problem with a term can be resolved by explaining it, then that's fine, too. Just do that. Otherwise, switch if it helps. No big deal. It's not as though we've all taken some kind of vow only to use one term and not the other.
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