We have different judgement but my personal judgement on the bounty manager you put as your example, I would not trust a project that he is promoting due to the fact that he has negative feedback from 4 DTs and I trusted some of the 2 DT that give a rating so basically i trust their judgement too.
and frankly like @Wapinter
here's the rating,
https://bitcointalk.org/index.php?action=trust;u=527272and some of the comments.
LeGaulois
Promote scam/Help scammers
suchmoon
Promotes multiple scam ICOs, rejects the idea of due diligence or responsibility.