Touched a nerve, theta? Sorry. I do know a fair amount about dyspraxia, obviously not as much as you. I support a child 1:1 as a TA who has both dyspraxia (DXed when he was 5) and has recently also been DXed with AS (at 9) His mother has not yet come to terms with the AS DX, she links all his issues to the dyspraxia, including all the sequencing, following instructions and social issues. There is a lot of crossover.
My DS is 11. He can barely write. He uses a word processor for literacy. He just took his year 6 SATs using the word processor. He has very poor fine motor skills. He cannot tie his shoelaces. He can just about swim, though obviously not front crawl! That would involve too much right side, left side movement. He didn't used to pass the mid-line of his body. He cannot catch a ball, he cannot throw a ball. He cannot follow a set of more than 2 instructions. He takes things literally. He flaps and jumps when excited. He's a messy eater. He has no social skills. He is hypo-sensitive to movement, he moves around a lot because he doesn't know where his body is in space. He had significantly delayed and disordered speech. He is unaware of physical danger, he fell over every single day on his walk to school for 3 years.
No, he has not been DXed with dyspraxia because he has HF ASD. No, he's not just a bit clumsy.
So when I tell people he has HF ASD, I usually also add that he's a bit dyspraxic. I think that's fair enough.