Guess it falls back to us, the users. To fix the crapshow Mozilla has done. There are a bunch of small different iniciatives that use Firefox codebase. We just need to wait and see who will prevail.
Many corporations won't want to fund something that's privacy oriented when they make money on using or selling personal data. Maybe security or privacy oriented corporations will step up with money or labor.
The day that happens, the only thing we are left with is Chrome..