Agree totally, only problem is, imo, the browser experience, even for well built web apps, is 'usually' subpar or more problematic or poor performing than a desktop app.
Google Meet is a great example of an app that uses AV and works well, running in a browser. Even with a large number of participants - and no client required.
On the other hand, Zoom web client is an afterthought, to put it nicely.
Than a well-written desktop app, maybe. Electron apps set the bar lower - for example, Microsoft sat on shipping ARM builds for Teams until this month so for a couple of years a browser was faster and used far less RAM.