Getting called stupid

I don't really know if it belong here, but this is the place that seems most appropriate, and I hope you'll have me, cause I honestly don't know where else to go on this one .

Context:
I am Dyslexic and ADHD. I score highly on screening for ASD, and I had, at last testing a projected IQ of 128 (my actual score was a chunk lower, as Dyslexia and ADHD interfere with the written language portion of testing). I have found over the years that a lot of people in my life have defined me by my intelligence, and I have actively tried not to allow that to affect my self image. I have failed I think, but only a little.
While I try not to think of myself as bright or intelligent, I absolutely HATE being called stupid, thanks to educational trauma, from being called stupid and useless in childhood by teachers, who did not believe in SPLDs.

Issue:
In the last two years I have noticed a trend that when I am involved in discussions with people, especially ideologues, where I am either unpicking an element of their argument OR where I am arguing from a place of knowledge, I am getting called stupid.

A lot.

I don't think I am generally speaking wrong in these cases, and I try to be reflective and explore the possibility I am. I also explore the possibility that I may be experiencing some sort of intellectual decline as I grow into my middle years. But I don't think I am "getting dumber".

Question:

As people with higher intellectual capacities, do you guys get called dumb by people?

Am I dealing with a threat response?