Thanks to their power, their decisions affect many. Those decisions are taken sometimes blindly, even if they could pay for good advice, sometimes knowing it's only for own benefit in short term at the expense of the rest. In the later case, they have knowledge, but decide to act anyway, as long term they will be dead. Any bad or good decision by a poor nobody will have a lot less impact.

Iain M. Banks probably said it best. "I mean, your society's broken, so who should we blame?"

https://www.theguardian.com/books/2013/jun/15/iain-banks-the...