Well fortunately in the web we have already got standards committees. As long as those standards are supported there should be no problem.

Unfortunately current mainstream browsers don't comply with the standards to the fullest, although I admit compliance is orders of magnitude better than years ago.

Aren't Chrome only apps and web sites harming the web?

I agree with testing Linux software completely. It's maddening how much the notion of testing is ignored.

Well it's a win-win situation, build the ideal browser, then you have already built the "ideal" OS ;)