>Chrome is the only alternative
The future looks pretty clear to me. We will have to use two browsers. One government approved, google (or some other thing) vetted browser for all the official and banking stuff. One other for all the other causal stuff.
This would be bundled as a single package, with something like firefox containers automatically switching to the "approved" browser based on domain loaded in the tab.
Once a browser is "Government Approved" all the other are 'Unapproved' ipso facto. There's nothing clear about that future, imo.