I think it's always fair to criticise somebody's work - after all, starting a company is stepping into the public sphere. I don't know if what they're doing wil

I think it's always fair to criticise somebody's work - after all, starting a company is stepping into the public sphere. I don't know if what they're doing will be successful or not because I presume they've investigated the market more than I have. The proof is in the pudding though - we'll see in a few years if the idea was good or not!