Hows it a stretch ?
Were Edison or Disney already rich before they started. Hows about Sam Morgan from TradeMe, is that more up to date for you. It wasn't that long ago he was dropping flyers in letterboxes by himself trying to get people to support his business. You would have told him he was wasting his time I bet.
Your own post states that these apps will be free with every phone soon, but you avoid pointing out that they need to get the app from somewhere in order to make it free.
So by your own admission these apps are going to be compulsory on every phone, and yet you still claim OPMG isn't going to make money.