And a note about collaboration: cartels are a function of lassaiz-faire economics, not free-market capitalism
I think this is the real important point here: many fans of laissez-faire economics call that "real capitalism". According to them, you can't say capitalism is a failure, because it simply hasn't been tried yet. Any government interference makes it not really capitalism anymore. But the one gem in capitalism, the one really, truly unmitigatedly good thing about it, is the free market. But with everybody looking to dominate the market in some way, the only way to keep the market free is to regulate it in a sensible way, break up cartels and monopolies, and force some competition in places where it is clearly needed (like the broadband internet market in the US, perhaps?).
And of course the regulators need to be independent from the industries they regulate. (Again, ISPs buying laws that block competition and ban community broadband is something that shouldn't even be possible. Or car dealers lobbying to block Tesla.)