If people don't like it, they are free to direct their governments to enact and enforce anti-trust laws that address these platforms.
I'm sure it's going to be a fair fight between the little guy that has a million other worries in his little life and the corporation whose business model is being threatened and therefore will have a laser like focus across years or even decades.
It's really simple and doesn't involve bringing in (literal) government guns that'll just end up controlled via regulatory capture anyway.
Be responsible for your own choices.
Direct boycotting of companies forces change very quickly.