No thanks. I don't need more apps bloating up my browser and slowing it down even more. Plus what if they don't support my choice of browser? Now we're back to square one. Just port the programs over to run on the OS. Much less headache that way

That's more finger printing to get tracked by, no thanks. I like to keep my browser apps slim and generic as possible to blend in with other privacy concerned people.

At th same time, I 100% understand why you would find it appealing, and recognize it may very well be a good thing overall.

Lots of things already have Linux alternatives; I've heard people mostly stay on Linux for the anticheat-enabled games that are usually only one developer setting away from Linux compatibility.

Wrappers can be used to do it locally.
Some Android apps are basically nothing more than a web agent.
Give me the basics of the web end with a pretty html5 rendered front end locally and done. No need for web apps for which you are required to be online at all times.