If someone's idea for the way society should function include downsides or tradeoffs, this does not automatically make it a bad idea.
If your ideas for how society should function also include zero downsides or tradeoffs, your ideas are probably not very good.

— Aella (@Aella_Girl) May 2, 2020

This is the issue with a lot of liberal ideas about the world isn’t it? They’ve fetishized perfection, demonized anyone who says that it’s unachievable, that the world has ineluctable tradeoffs just by the circumstances of living in an entropic universe (if nothing else), and then expel as unclean anyone who points out these necessary concessions to reality.

This is the obverse of centrism, I think. The “we can’t try anything or do anything because it’s not perfect” approach to the world.