The very rich (Mark Zuckerberg included) use their wealth to influence government, therefore the answer to #1 is yes, the average person is worse off because th

The very rich (Mark Zuckerberg included) use their wealth to influence government, therefore the answer to #1 is yes, the average person is worse off because they don't get the same opportunity to affect policy. #2 is an odd hypothetical which is unlikely to be the case and without further context (what is defined as poor? etc.) it's a useless question.