Because its the only way the people who would like to be in power and can't manage to produce anything anyone else wants can see to get themselves put in charge: convince enough other people that despite their freedom, high standard of living, etc. they are somehow oppressed.
Because its the only way the people who would like to be in power and can't manage to produce anything anyone else wants can see to get themselves put in charge: convince enough other people that despite their freedom, high standard of living, etc. they are somehow oppressed.