I'm hoping that more native apps get rewritten as web apps so they can stay in a browser sandbox where they belong. "Fortunately", we'll probably both get all the slop we "want".
You make a good point - the sandbox of the browser is a genuine improvement. It's crazy to think that on some desktop OS's if you download and run a weather app, it probably has access to all the files and peripherals you do (camera, microphone, etc...). Apple is doing good work on this front with macOS as are Linux devs with Flatpak. Mobile operating systems do a good job of isolating apps too.
Windows though... seems to be stuck in the 90's.
Yeah I find it interesting that HN's love of performance seems to overpower their love of security. Especially since nearly everyone here has better hardware than average people.
I do not enjoy running random strangers' Rust on my machine unless it's sitting in a VM and probably also a container, at which point the performance benefit is gone anyways.
I recently moved all of the desktop apps I reasonably could to browser tabs and have been quite happy with it.
Oh and don't forget how easily you can modify the source. With a simple user script or extension I can modify your website to behave exactly how I want it to without recompiling.