Nope. The US government went after MS multiple times. Most were over anti-competitive contracts. But the list includes https://en.wikipedia.org/wiki/United_S

Nope. The US government went after MS multiple times. Most were over anti-competitive contracts. But the list includes https://en.wikipedia.org/wiki/United_States_v._Microsoft_Corp. https://en.wikipedia.org/wiki/United_States_v._Microsoft_Cor.... Which definitely did go after MS over bundling IE. The penalties that Microsoft suffered under from the USA were sufficiently weak that they considered it a cost of doing business. It was only the much larger EU penalties that caused them to change course. But the USA definitely went after them for bundling IE.