Good points. But I'm not saying that all web apps are horrible. My point is it takes enourmously more effort, time and money to make web app that doesn't suck (compared to non-web alternatives). Google can afford this, for sure.

Likewise the desktop apps – there are quite a lot of horrible apps, for sure, but competition usually drives the quality up (I mean competition for the better frameworks and/or languages). Nobody uses Tcl/Tk anymore. Naturally in monopilized markets, enterprise software faces no competition and usually sucks.