Hmmm, anon, in my experience there are two possibilities here.

Possibility one: like a lot of people you have traumatic experiences that you have not yet processed and understood as trauma.

When you talk about these experiences it makes other people uncomfortable because they recognize their upsetting and traumatic nature.

Possibility two: people are using a recently popularized buzzword to shut down any conversation they don’t want to have, and abdicate the responsibility for caring about other people.

Please note that there is a lot of space for nuance between these two possibilities, I am not a therapist, just a funny little girl, and I don’t know any details about your situation!