[ajross]

That DRM would eventually lead to unusable computer systems. That a completely free software OS was possible. That software patents were bad things. That chasing profit in the LISP machine market would destroy the MIT hacker community. That "look and feel" lawsuits would hurt free software. That a copyleft license would not hurt software adoption by commercial vendors.

You want me to go on? He was on all this stuff (some of it critically important, some of it less so) before, in many cases years before the rest of us caught up.

Let me turn it around then: find something he was verifiably wrong about. There aren't that many cases, and what there are are mostly tactical things (e.g. picking the fight about GNU/Linux was, I believe, counterproductive), not factual ones.