> 1. Web apps are using a text-transfer protocol with a pile of hacks on top to make it stateful. To this day engineers are still working on solving this problem (web sockets, web sql, etc). They can't solve it.

I am curious - why would the protocol need to be stateful? What are you trying to accomplish?

> 2. One does not own web apps, one merely rents them.

No. You can buy apps and host them on your own servers, on your own PCs.