Absence of evidence isn't evidence of absence.

Worse, you mistake the bounds of your personal knowledge as the borders of the world.

Even if there was no currently "known" alternative, the proper course of action is to research that and find one?

> Even if there was no currently "known" alternative, the proper course of action is to research that and find one?

please test it properly before putting it in production, communism went poorly

> Absence of evidence isn't evidence of absence.

note that I am not arguing that better system is impossible - that would be silly

but "destroy capitalism" attempts went remarkably badly so far