Go jump in a lake.. Don't be the loser pedant that refuses to acknowledge the plain truth of things because someone won't capitulate to your pedantic desires.
My sources are my own experience and what I can read of other people's experiences.
Wait times are longer. Outcomes are generally getting worse. Prices (in the US) are retarded and getting insane.
All of this is worse than it was when there was little to no government regulation. Period. This always happens. The fact that you can't or won't see that through history is not my problem or my issue.
Get off your high horse and your head-in-rectum ideology and look at what actually is happening.