So our newish idea of how to be kind and good to any other person is to do that which builds up self-esteem. You should not do that which would make a person lose their confidence or zest for accomplishment. What you do matters directly in relation to the other person's quantity of self-esteem. You are responsible for how much you damage the other person's sense of self.
It seems to have resulted in very wishy-washy parenting in which we try to show love enough that the child could not possibly have low self-esteem. Tell them they did a good job, even if the A they drew looks like unstable architecture. Shower them with praise when they do basic everyday stuff. (I understand there is an argument for the first time someone accomplishes something that for the rest of us is normal, but I don't think that children want or need to be showered with praise for that; only told, 'Yes, that's how you do it!')
I understand that to some extent hearing this may rebel against people's moral compasses, thinking how could it hurt to tell someone they're doing a good job, whatever the circumstance? Nowadays, I think we err towards the do-not-criticise side of things, instead of having a sense of pride in how well we can accomplish things; a sense of excellence. Critique needn't be unkind. Good, constructive critique seems far more loving than holding back for the sake of someone's feelings.
I suspect children can sniff that a lot of praise is not genuine nowadays, and I think it may be damaging them. I was very sensitive to whether or not people were serious. I hated to be complimented for something that I knew was mediocre (which may be my pride). Children really like it when adults notice their true accomplishments, and they want to show that they can compete with the best of 'em (even when they can't).
Somewhere deep down, I think we all really care about this. I could be wrong; maybe it's just me and a few others, but I don't think we actually like to let ourselves slip and do something badly, and to know that we are really no good at anything. Generally speaking, humans seem to like to really accomplish something, not just to be told they accomplished something when that thing is actually meaningless.
From where I stand, the propensity to compliment people for meaningless actions damages our drive to achieve and try new things. It's better to occasionally genuinely compliment something you (the complimenter) actually care about than it is to try to manufacture praise-feelings in yourself and compliment from there.
(First time writing about this, and may have missed some elements. To the future!)