I believe the earlier versions of Chrome/Chromium OS took this to the logical extreme.

https://www.technologyreview.com/2009/11/19/208062/google-gi...

I'm interested in a how-to which accomplishes the absolute opposite result.

When I was younger I thought of replacing most of the OS with a browser since that is how I used it. but this is weird and not in a good way. Maybe using Firefox would feel better.

Pyro Desktop! But with Chrome instead of Firefox. https://arstechnica.com/information-technology/2007/07/exper... https://news.ycombinator.com/item?id=39541