Earlier quoted context omitted.
Simple. He broke this rule: https://en.wikipedia.org/wiki/Wikipedia:Canvassing This is fairly straightforward, with the result (blocked from editing) mentioned clearly. It doesn't matter the topic. Being a cofounder is immaterial.
The link you provided does not describe what would be usually be thought of as a "rule". Consider updating your comment to make more sense wrt. that.
Yes, it does.
> Consider updating your comment to make more sense wrt. that.
It makes perfect sense to reasonable people.