It could be an option, but there is also value for everyone, poor or rich, no matter in what country, being able to host an app, no matter no popular, without going bankrupt. It's the same with Youtube; the ad-model is not ideal, but there is also value to being able to, with the click of a button, host a video that can be watched by millions of people without you paying a penny. Two decades ago that would've been very hard for an average person to do.