I think he missed the number 1 lesson: when you finally do get traction, don't wait an eternity in order to let people in.

I think they have clubhouse for android now, but without it essentially 1/2 the population was at best left out, but at worse (and very realistically) made to feel they weren't a wealthy enough consumer for the product. He essentially told 1/2 of the globe that they weren't a good enough customer, most of them just shrugged, said ok, and then never looked back at the product.