Earlier quoted context omitted.
did you read the reason why he was blocked? I can't say who's right or wrong but their reasons for blocking him seem to be valid in nature.
I found the thread hard to parse.[0]. Can you explain the reason? from a brief skim he is promoting some project he wants to start in wikipedia from outside wikipedia, is that it or did I misunderstand? [0] https://en.wikipedia.org/wiki/Wikipedia:Administrators'_noti...
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.