Yeah, I have and I'm formally diagnosed too.
It's all related to mirroring neurons which can be off in some people on the spectrum.
Sadly, a lot of people don't understand statistics and their role; 30% might be a minority but it's a big one and only an utter idiot would ignore it
So, no, the statement isn't universality true and your diagnosis isn't invalid based on it.
Try not to stress about it too much, and btw, welcome to the forum!
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"Facts do not cease to exist because they are ignored." Aldous Huxley