Autism is not being socially awkward
It’s not awkwardness. Autistic people are often excellent at socialising with each other, where they can avoid eye contact, stim, avoid small talk, share information and rely on their own natural communication preferences.
We don’t do social communication automatically, and by that I mean we don’t do non-autistic social communication automatically, because I have never seen anyone express happiness more effusively than an autistic person meeting someone else with the same interests and sharing their joy.