Japan tried to curb the Yakuza by enacting laws to specifically punish them. Not only it didn't work as well as they thought, but other criminals also flourished in the underworld by virtue of not being Yakuza.
Whatever they do to go after Google must be really well thought and coordinated otherwise they will just be passing the crown to someone else a little bit smarter.
You're analogy isn't exactly good. In this case, other businesses flourishing is a good thing.
If you are specifically referring to Apple becoming an even bigger monopoly, that would be a bad thing but I think in the US they've already effectively won.
