A well-meaning person is always doing the wrong thing. The phrase encompasses many sins. The well-meaning person is presumed to be ignorant of the world's harsh ways, naive, gullible, and full of an unwarranted optimism especially about human nature. Arrogance or at least hubris is implied too, in that well-meaning people have an exaggerated view of their own ability to improve things.
One thing is certain: well-meaning people always make things worse. They're always trying to feed babies when the real problem is that parents won't work. Or getting in the way of a war because of the horrors thereof when the real problem can only be solved by winning the war. Or providing shelter for the poor when the real problem is the oppressive system that keeps them poor. Well-meaning people always seem to have band-aid solutions and don't see the picture. Their attempts to make things better always result in disaster because of something called the Law of Unintended Consequences which says that every time you do something that seems to mean well it will mean more trouble later on, in the larger scheme of things.
The answer to the problem of the well-meaning is to accept that the world is a harsh place and embrace that harshness. In fact, one is supposed to embody the world's hard ways. If someone misbehaves, punishment and force must be used. If there is a problem between governments, then it will inevitably result in war and it's best to prosecute the war as soon as possible. If there is a social disaster like a famine or an economic crisis, it's important that this "run its course"; mere half-measures like handing out food or shoes will only drag out the problem.
If a problem resists solution by bombing or jailing or some other harsh measures, then it is considered to be insoluble and part of the human condition. To say otherwise is, once again, to be "well-meaning." Tough-minded hard-nosed adults understand how unforgiving and full of suffering things are and don't try to change it. Only the very young and the fatally naive believe that things can be improved.
This is a place where Social Darwinism, Marxism, and Malthusian pessimism meet after having been thoroughly dumbed down into one idea: don't try to be good. The task is impossible and will make you into a victim yourself. Worse still, it will obstruct the natural way of things which eventually resolves conflicts. The Tao of this worldview is cruelty, and you must flow with it.
This attitude is everywhere in my country. The admirable person is said to be hard-nosed, realistic, rational, sober, and tough. His opponents are softies, Pollyannas, illogical, giddy, and weak. It's as though the Churchill-Chamberlain dichotomy was applied to every part of life: politics, religion, law, medicine, the arts, everything. You're either a heroic bulldog war fighter or an umbrella-waving idiot appeaser.
The word "aggressive" is entirely positive in all contexts. It has come to mean "effective," and anything labeled "passive" is by definition a failure. One roots out crime aggressively, and also treats disease aggressively, and even an aggressive prose style is given the seal of approval.
I urge you to resist this. Mean well.
Feed babies. Use band-aids on wounds. Give poor people 20 dollar bills and places to stay. Solve arguments without violence. Oppose cruelty and war. Be passive rather than aggressive. I urge you, in fact, to be a complete weenie and wussy, who can't see that what's needed is a short sharp shock. I urge you to think of criminals and drug addicts as salvageable improvable humans. I urge you to lose an argument more often and to resist an opportunity to destroy an enemy.
It's true that our conscience doesn't know how to manage a central bank or create a national water policy or stop the warmongering of dictators. And our conscience is naive about realpolitik and the tragedy of the commons and the necessity of breaking eggs to make metaphorical omelettes.
"Well-meaning" is our attitude when we listen to conscience. I am not ashamed.