That's the point. It prevents oligopolies forming (as we have now), short of them producing enough value per user to cut them a sizeable payment.
All the problems of big tech disappear when they're held accountable for their actions. The easiest way to hold them accountable is to reduce their clout.
That form of "accountability" sounds like a euphemism "not doing exactly what I want". The vagueness is downright concerning.
Not to mention the logic doesn't follow. Today nearly everyonr would agree that it would be a terrible idea to openly sell representation in congress or the ability levy and collect arbitrary taxes to the highest bidder because the incentived essentially only make sense for those who can make a large enough profit in short term to justify the expense. The best thing you could say about the policy is that if it is cheaper than an invasion adversaries might decide to buy you out instead of declaring war.
All the problems of big tech disappear when they're held accountable for their actions. The easiest way to hold them accountable is to reduce their clout.