Over a period of time, when the right person thinks you are useful/attractive/interesting, you get more opportunity/promotion.
This happens to explain the networking effect implied by the post (and related analyses).
If you care about epistemic accuracy more than tribal politics, you'll quickly find yourself in the outgroup.
Logical from a 'within the game' perspective, but those who believe that humans are legitimately trying to transcend their irrational nature will be very disappointed.
You can fight the system all you like. You might make a difference but you won't be rewarded for it.
Or you can accept the game and play it. If you don't like the current game switch companies and play a different one.