Well no, i think it is the opposite. Larger companies exist and play unfair, exacly because no regulation stopped them. Big corporates evolved by lack of regulations, then they created theirs to impose them on us. Big corporations did not pre-existed.

Also in many countries there is not much private sector in healthcare. Don't judge healthcare by USA. For example in my country, the vast majority of problems in healthcare, comes admittevely by the effort to insert the private sector in healthcare.

Also...