It's an anti-trust violation.
I believe the law. Collusion to obstruct a competitor in the marketplace is a clear-cut violation of the Trust Act. What the Tech firms did here was no less than conspiracy, which means that RICO can also be used to threaten them.
If nothing else, it will release a YUGE amount of information in discovery and fuel future anti-trust regulation.
Believe it or not, AJ could end up taking down Google/Apple/Facebook/Amazon. Imagine him being responsible for the break up of Alphabet.
You have to have widespread public support for the measure or else the lobbyists write the law.
If everyone is looking at it, and the pressure is on, there's only so much wiggle room they can manage. The Overton Window sees all. See: Patriot Act