A consortium of various tech companies, plus non-profits? Instead of it being in one corporate hand. One can dream of the EFF and Mozilla plus a bunch of other stakeholders owning it.
I think the point is to stop adding more features. The web is feature complete, everything Google is adding is just stuff to make them more money through ads and lock in.
There’s an argument to be made that a high pace of new feature additions effectively functions as a moat that ensures that new competitive web engines cannot be developed as a result of not being able to ever catch up.
So the market/consumers decided (due to whatever reasons) that they don't want to use Mozilla's browser. Lets reward them for that failure by giving them control over someone else's browser?
Microsoft is already using the Chromium and changing the default search engine to Bing and shipping it as Edge. What else is needed?
This DOJ looks like they just want to pad their resumes with some grandiose case which might be bad for everyone else.