I think the biggest problem with regulating modern tech companies or most companies today is the fact that they've adapted to the old rules as to minimize trigg

I think the biggest problem with regulating modern tech companies or most companies today is the fact that they've adapted to the old rules as to minimize triggering those laws being used by regulatory bodies. So you'll see companies buy up a firm but effectively keeping it an independent entity or leaving just enough competition in the market that they can effectively shape what their competitors will or won't do. It can have a similar result to the trusts and cartels of the past but without much of the problems of defection (in cartel situations), government intervention, and overhead. It seems to me that a whole new legal theory needs to be explored on the question rather than just forging ahead with the assumptions of the past that more regulation will prevent the concentration of capital whether directly or indirectly. Perhaps, the opposite situation needs to be applied such as making laws that encourage smaller firms to be created or make big companies pay the externalized costs of infrastructure in some novel way (ex. Amazon depends greatly on the interstate highway system to deliver their goods, so why shouldn't they pay more for the upkeep?).