Also, politicians never go after companies for biased reasons and we can count on the government with more power not to abuse it.
Just because there was no AT&T style divestiture at the end, doesn't mean there were no positive externalities.
I don't know about the specifics of what is legally required vs what the Microsoft legal team decided to do to avoid further scrutiny. But the fact is that there's a lot of docs that were published in the aftermath of that ruling:
https://learn.microsoft.com/en-us/openspecs/protocols/ms-pro...
https://learn.microsoft.com/en-us/openspecs/data_portability...
The actual rendering engine was left to Windows (and to anyone who was using it, like AOL), the shell was left to IE to continue wrapping around it, and a few more things.
They weren't broken up but they were anti-competitive asswipes.
Keep in mind that the reason this happens isn't because of "faulty AI automated systems": the reason this happens is because these companies choose to save pennies by not offering proper support channels and recourse. Those saved pennies make the difference between a 2-hour outage and literally bankrupting you for no reason at all.