>> he's been repeating this claim to this day.

> That is a bit troubling, isn't it.

He's been at it again:

"Mitch [...] studied the 6600 very early on, recognised its genious, and based the Motorola 68000 on it."
https://www.phoronix.com/forums/forum/hardware/graphics-cards/1207878-libre-soc-still-persevering-to-be-a-hybrid-cpu-gpu-that-s-100-open-source/page17#post1213463

:-(

(On another note, he's not afraid to tell an anecdote of someone in 1995 doing something on a 1998 computer running a factory-installed 2001 OS.)