Documents filled with political hot buttons screw up people's emotions and they can not process such documents rationally or in a balanced fashion, many people see only what offends them or what they want to defend. It is just screwed up...

Yep, it even rambles about the failure of Marxist communism at one point. It's a rant with cherry picked evidence, but people find something it in to confirm their beliefs and try to defend/attack it.

A country I used to live in had political steps as a prerequisite for professional life. To me, it does seem like an important point...

I was left with the impression he wants the introduction of a quota for sympathizers for a political organization. My takeaway was that he wants to work with people who are officially representing political parties.

Maybe it is that I have lived in a country where carrying party cards to work was a step in professional life. But the point that stuck to me was painting the situation along political spectrum.