They already got several checks from the government, and failed to provide anything in return (except for lobbying money to stifle municipal broadband): https://old.reddit.com/r/explainlikeimfive/comments/6c5e97/e...
It's also disingenuous (and just factually incorrect) to say there is 'nothing' in return.
https://www.highspeedinternet.com/providers/fiber
Multiple companies offering Fiber in many parts of the US.
There are also multiple options (Comcast, Wow, AT&T, Time Warner, bell atlantic, satellite, and many wireless options) in most areas of the US, which by definition means there isn't a monopoly.
Many people throw out the 'monopoly' label and really have no idea what the word means.
They literally did not fulfill their contractual obligations, but thanks to lobbying, were forgiven.
https://www.huffpost.com/entry/the-book-of-broken-promis_b_5...
https://www.dslreports.com/shownews/ATT-Takes-Billions-in-FC...