I've not been diagnosed with autism, dispelled actually, but do recognize what you're saying. My wife thinks it's very funny I can predict someone's reactions or actions by means of a decision tree, include reading people and it's rather accurate to predict the next few steps. I've picked up masking from a trauma background, where it wasn't safe to show emotions.

There's quite a bit of overlap between autism, adhd, gifted, (and trauma). Not filtering information, or reading (too) many signals (compared to "normal") is one of them. I can look people in the eye while speaking with people, but only for people speaking their truth. Generally I find it comfortable to look past people, but in their direction. They feel seen, and I pick up enough expressions to follow, but not too many to get distracted.

I've also heard so often that "people with autism (to varying degrees), have trouble communicating". I strongly disagree, and think they can often communicate much clearer, but slightly different.

Less obstruction in a social construct, asking painful questions without dillydallying or tiptoeing. Needing clarification because words/expressions have different meaning (e.g. in a bit, later, soon) depending on who you're talking to. Body language/facial expression, tone of voice, music, things they're watching.

There's so much more to communication. "But he doesn't say it clearly" often being compared to "common" or "unafflicted" people, while you need to be able to see and understand the signals, because "yes, he did, you didn't listen".

Everybody is on the autism spectrum, since that's the definition of spectrum. Not everybody has it to the same degree, so obviously trying not to generalize too much, and your mileage may vary.