The capped-profit / non-profit structure muddles that a little bit, but the reality is that entity can't survive without the funding that goes into the for-profit piece
And if current investors + would-be investors threaten to walk away, what can the board really do? They have no leverage.
Sounds like they really didn't "play the tape forward" and think this through...
and then there's the real leverage of money and the court of public opinion.