Keynes’ solutions to human problems on a macro scale lifted millions upon millions of people out of poverty in the post-war era keynesianism eventually failed

Keynes’ solutions to human problems on a macro scale lifted millions upon millions of people out of poverty in the post-war era keynesianism eventually failed because corporations and large capital holders will not act rationally towards the whole when they have interests that benefit themselves. so I suppose you’re right. but that doesn’t change the fact that for a good 30 years his ideas and solutions made life better for a huge number of people