I feel like this was a) written by someone on the spectrum, who b) worked really hard to learn to communicate effectively (great job!), and then c) dumped their original internal state in a blog assuming everyone else has their same challenges.
Just take their strongest point:
> dig in your heels when confronted with overwhelming dissent
A few months ago I watched a college-age people-pleaser assertively turn down three peers pressuring her to hang out after work somewhere she didn't want to go. Three! She stuck to her guns, then looked up and nodded to me. I subtly nodded back. Real cowboy shit.
People are different and follow different paths of growth.