If enough people are willing to pay, is it truly a dumbass business idea? Because I have seen plenty of premises that I would have WTF-ed over, and yet enough p

If enough people are willing to pay, is it truly a dumbass business idea? Because I have seen plenty of premises that I would have WTF-ed over, and yet enough people are paying for it to keep someone gainfully employed doing it. I think that is the real threshold: not how stupid it sounds, but rather how few people stump up the money to have it done.