Fair enough, but a menu bar like that is also simple.

Not all web-based software is bad, this is true. But it struggles to be good, according to my personal tastes. I typically find it annoying, so I prefer native applications.

Some web-based software is actually good, too. Although I don't personally care much for it, I think GMail objectively counts as a good software experience. Also, to be fair, there are native applications that are awful.