I'm against Stallman's dogmatic positions as well but to dismiss his views by saying he's on the autism spectrum is an ad hominem attack. I've seen this argumen

I'm against Stallman's dogmatic positions as well but to dismiss his views by saying he's on the autism spectrum is an ad hominem attack. I've seen this argument used a lot against technologically sophisticated people but that only shows that the respondent can't rebut the arguments and hence resort to personal attacks.