Agreed, but terrible bedside manner isn’t indicative of autism. And the Doctor seems to be garden-variety crotchety, which makes sense given that he’s modeled on Lewis Zimmerman. I’d need other criteria to convince me he’s supposed to be autistic.
Aw I actually love Harry. He’s a nice balance against the egotists that make up most of the crew. Bright, even-keeled, reliable, funny, and willing to humor people like Tom Paris who is pretty much an unrestrained toddler. Dude should’ve been at least a full lieutenant by the time Voyager got home.