It is pretty well accepted that professional licensing increases costs and results in increased income to the licensed profession. Those who advocate for licensing schemes generally do so based upon the premise that the way the licensing schemes protect the public from bad actors is a justification for their existence.
Unfortunately, we have seen a dramatic failure of medical licensure boards during this pandemic in this protective role. They have thus far failed to act against a variety of bad actors who are committing fraud against the public by spreading false information and then marketing services based on that false information. This is criminal, and I have no doubt that those who are engaged in this predatory behaviour will eventually face criminal charges. Yet licensing boards have thus far been very slow to act to protect the public against these bad actors. Again, I expect that eventually these bad actors will face professional discipline, but it will be after the fact, and there's no undoing the damage they've done.
I certainly would hate to be the malpractice insurance carrier on the hook for the misdeeds of this band of predators offering "online Covid-19 treatment" that steers people towards ineffective drugs and away from effective therapies.
If you're prescribing hydroxychloroquine or ivermectin for Covid-19, you had better be ready to get out your checkbook.