Because they almost always universally suck across platforms. Only exception I’ve seen thus far is Figma.

Because once you add all the tracking and advertising, and try to prevent ad-blockers, they don’t work as well. You’re also limited in tracking by restrictions all browsers have to some extent

First thing comes to mind is app integration with vision pro. I guess web app is not native enough for what they want to achieve

Similiar reasons why using files when you can just use Google Docs and save links.