So why doesn't the government get in and break apart that monopoly that is Chrome, today?

Chrome has the highest market share of internet browsers ~this side of the great firewall~ worldwide (just checked, still is the case in China today, assumed it changed)! Far worse has been done to companies with less control over their respective markets.

I am being a bit facetious when it comes to features though, fully admit, FF is better in getting a few of those, and don't deny history especially with Firebug.