Oh, they'd never do anything as sinister as that. That may still be illegal (if the ultra-rich lobbying hasn't taken care of that obstacle by that point).
Instead, they'll just make sure that whatever essential core service they've built a monopoly in by just muscling the poorer competitors out of the race will cease to be offered to you if you refuse to hand all your money over to them.
See also: insulin, hospital treatment, etc. This is just a new playing field to find old prey in.
Sure, the possibilities are endless, so the first thing we'll get that has any research money and effort put into it is how to turn it into an advertising platform and then maximally enshittifying it as soon as there's a market share to speak of.
I don't know what they'll do to him, but I can tell you: if you were to do what he did, the twelfth time, there'd surely be some sort of stern admonishment, or maybe even real consequences!
But how are the corporations then supposed to keep ripping off their wage slaves by making them afraid to ask for more or organise out of some drummed up moral concern? Huh? Didn't consider that, did ya? Won't somebody think of the poor, poor corporations?
"Download our app and consume ads on it because... becaaaaauuuuuusssseeeeee, um, let's say SOMEBODY THINK OF THE CHILDREN? Maybe terrorism? Just pick a reason you'd believe and get the app, okay?"
One session after that, they find out that the continental cartel has had decades to entrench their position on the market and can and will field all the manpower that dozens of diamond-producing national branches can field in order to regain control of one lost national mining branch.
Two sessions later, the alchemist is the one who knocks.
Never heard the phrase "X marks the spot"? It's called "predetermined breaking point".