I have for a long time said that the way to regulate these huge companies would be to have government-mandated SLOs for live support.

For example (simplified), if a user makes a call, a person with sufficient privileges to handle 90% of the cases should answer on the other end within 2 minutes. If the case cannot be handled, the higher-up with privileges to handle 99% of the cases should be reached within 5 minutes. And to be fair, it should be mandated for all companies, not only FAANG-like.

But a company like Meta (for example) with a billion customers would then have to decide whether they want to work on quality improvements for their services or whether they would like to hire a million technical support staff.