Autistic people, more prominently in our modern age, are absolutely a drain on time, energy and resources. All the traits associated with autism also describe an incredibly self-centered, short tempered, immature, useless person, and I'm tired of playing pretend and acting like that isn't true.
Autists in aggregate tend to embrace anti-civilizational tendencies, and there comes a point where we all individually must ask ourselves how many resources we are willing to spend catering to them before we conclude that it's a lost cause.