If humanity has failed to move beyond Capitalism and child labor, then humanity lost to the climate crisis or nuked itself to death. The idea that Capitalism is sustainable is Utopian and foolish.
An opinion based off of analyzing data and coming to logical conclusions. I can't know the future, but I can certainly say that the sun will rise tomorrow morning.
You never supported your statement with any facts either, you just presented it as one. I merely pointed out that it was one persons opinion and not some settled issue.