They tried that. The android app market / play store has been "open" since the start. Anybody could publish their app with no control by google. And we blew

They tried that. The android app market / play store has been "open" since the start. Anybody could publish their app with no control by google. And we blew it. The store filled up with shitty apps, scams, and blatant copies of popular apps. And people complained, so now Google is responding to those complaints by policing their app store, because apparently we can't be trusted with open marketplaces.