Now imagine the entire society standing in such lines, even the best doctors and brightest engineers, for all basic necessities, not knowing if there's anything left by the time it's their turn.

damn "you have to stand in line for food because you're dumb" is rough

Now imagine that but with everyone in that line except the leaders.

It doesn't have to be black/white, either/or.

The US can afford to feed everyone and still not be 'Socialist'.

I think you are confusing 'Capitalism' with 'Cruelty'. What if I were to tell you, you don't have to be cruel in order to virtue-signal your faith in 'Capitalism'.