I also saw some research suggesting that engineers are more likely to have Autistic kids. The increased social mobility of women has undoubtedly lead to more "p

I also saw some research suggesting that engineers are more likely to have Autistic kids. The increased social mobility of women has undoubtedly lead to more "power couples" (in the modern sense), I wonder if perhaps there is some effect that people with slight Autism risk factors are more likely to mate with each other these days? Totally spit-balling, but I guess the larger point is there are a lot of possible explanations for what OP describes (if it's even true, diagnosis may just be more likely in those families)