It's a fork of Chromium, so Google will add it. They'll have to specifically remove it.
Also, if companies are considering implementing WEI, they will look at most of their users on chromium users and say, we most of our users are on Chromium, so the risk is low.
The CEO can say what he wants, but it doesn't affect whether companies will roll this out. Google can not be trusted to drive web standards, and chromium needs to stop being used if we are to make it clear to website owners that they cannot simply support Chrome/Chromium only.
I have used Firefox for years, and for no problem. This isn't a general tech advice community. It's a degoogling community.
If you're uncomfortable with us recommending other projects not led by or influence by google, is it really the right place for you?