If history does repeat itself, the punishment wont be very large, despite guilty judgment. Microsoft was found to have engaged in monopolistic practices, but was still given a relative slap on the wrist instead of outright broken up.
And Firefox got to where it was at its peak by being better than IE, not because of any pressure from political institutions. I think there are many parallel universes where Microsoft does in fact own the web.
Well, it would appear that Google will be forced to stop paying companies to make Google the default search. This is actually kind of a death for Mozilla as that’s where most of their money comes from.