Even the capitalists are behaving differently and more humane compared the fuedalists of the middle ages.

Yes, because their source of wealth is fundamentally different. Lords had to project violence and play court politics to keep their position. Still do, in some places. The rich in developed countries on the other hand can rely on strong rule of law to protect their property with very little personal input.

Also why if the apocalypse ever happened, they’d get owned and somebody else would take their bunker.