1. we aren't all rich. most are poor. 1/7 have trouble affording food. some people can't even get clean water. meanwhile, the rich enjoy unprecedented influence over politics, the market itself, and more luxury than they can even consume. they can afford to think long-term, whereas the poor cannot. inequality is an issue in and of itself.
2. wealth is expanding the fastest for the higher income brackets. the lower income brackets are barely holding ground.
3. i already hinted at this: relative wealth equals relative power. if everyone has $1 that they can disposably donate to a politician's election campaign, the guy with $2 has twice the influence of a person with $1. this means that the guy with $2 has a much higher chance to affect the rules of society such that their $2 becomes $3 at the expense of everyone else. this is the way things work. the higher the economic inequality, the higher the political inequality.
2. wealth is expanding the fastest for the higher income brackets. the lower income brackets are barely holding ground.
3. i already hinted at this: relative wealth equals relative power. if everyone has $1 that they can disposably donate to a politician's election campaign, the guy with $2 has twice the influence of a person with $1. this means that the guy with $2 has a much higher chance to affect the rules of society such that their $2 becomes $3 at the expense of everyone else. this is the way things work. the higher the economic inequality, the higher the political inequality.