Google's Chrome browser is dominant; not in the way Google's search engine is, but at 67% market share, according to Stat Counter, it sits comfortably atop competitors like Safari, Edge, and Opera, who are mostly fighting over scraps.
For the US Government, which is now calling for the breakup of Google by having it sell off Chrome and, perhaps, Android, it's not so much the market share that matters as much as how Chrome acts as a powerful fulcrum for Google's other interests, chief among which is maximizing advertising revenue.
