It's already stated that their math is flawed, but you can show them by pushing it to the extreme. What if they took 10% of everyones equity. That would leave them with 30% each and you with nothing.
No worries. Pick something and do it consistently for a while--all of these take time in our attention scarce world--well, all of them except the advertising, which is trading money for time.
I've been on the flip side of the fence. I've had some ideas I was quite keen on, but then got them destroyed by experts in the field. When an expert like Chris tells you that you have a good idea, then you know you're onto something.
I don't mean cloning as copying exactly... I mean getting the idea and modifying it to fit in a specific country. Like www.peixeurbano.com did here with GroupOn.
I mean copying the business model moreless.
