The lesson is that everything is just fine until you run out of other people's money. Oh, they never talk about raising taxes a bit, if they do they know they are just throwing lies about because it never covers the cost of everything they want to give away; for your vote.
The typical egotistical reply is that "if they just did" or "we will do it right" when people point out the follies that you have it all if we do it right. Simple how they sold the ACA, after all the we are the US we can do it better than Europe.
So it is with most forms of governance which are based on exploiting jealously instead of good government spending. It is far easier to convince people that others have an unfair advantage that to admit the over regulation, lack of respect for property rights, political favoritism, and inefficient government programs are the cause.