Earlier quoted context omitted.
Yes that's true unforetunately. But getting a work visa in Canada is not difficult. It's likely with his skills he can find a tech job here. If it's that important he has access to the US then being in Canada is the best next option. The extra money would only hurt in his loss of time dedicated to his startup work.
Isn't there a 6 year visa backlog in Canada for skilled immigrants?
The usa has this 6 years backlog..