- the browser is undeniably critical as everyone's window through which they view the online world;
- the user gains a huge amount of value by a browser being integrated into the OS, webviews in other applications, etc
- browsers aren't really a self funding product
- having a single for-profit US advertising company control everyone's view of the online world, however slightly (e.g. by obstructing adblockers), is Not Good
Splitting it off solves the latter problem but immediately raises the question of how to pay for it. A very artificial arrangement where Google pay "arms length browserco" to maintain Chrome?