Not only EU, the US DOJ also sued Microsoft over their monopoly. Microsoft could have blocked Firefox, they could have banned dual booting Windows on Macs. Ther

Not only EU, the US DOJ also sued Microsoft over their monopoly. Microsoft could have blocked Firefox, they could have banned dual booting Windows on Macs. There's a lot of things they could have done to lock down their monopoly permanently, but they didn't do them because they were afraid of government regulators breaking them up. It was a huge win for government regulation promoting innovation.