It could turn out pretty good, as the *box window managers compare to heavy desktop environments. It could also turn out pretty bad, like if someone thought emacs was too kitchen-sinky and so rebuilt TECO.
The problem, imo, is that his browser is still made to be used by humans. I see interesting uses for it though, for instance it could relieve the pain of parsing html with a script.
- Watching videos
- Listening to music
- Word processing/spreadsheets/etc
- Video/audio calls
- HN and other discussion sites
The Web itself has become highly generalized, to the point where a Unix-style Web browser seems superficial. It seems to be little more than a cleaner and more extensible browser design.