Unregulated capitalism is a boondoggle where the haves cheat, harm, and kill the rest of us while they poison the environment. I once saw Ross Perot say, with a straight face, that he thought wages should be 10 cents per hour. That freak actually believed that. Eventually, even the haves would be at odds with each other because capitalism without restraint concludes in a monopoly.
That’s why we regulate capitalism. We had a Great Depression, a couple of recessions, trickle down that didn’t even ooze down, Enron, the 2008 mortgage debacle, and Health Care that kills and impoverishes, and the GOP STILL insists that capitalists will self-regulate so there’s no need for any regulation. In the face of decades of evidence that this is not true.
At least there’s reason to expect the GOP will staff up with people who are incompetent, in over their heads, and in denial of reality. With some luck they will be less effective than they might be. I am not, by the way, discounting the harm of incompetence.