You have wrote yourself into a catch-22.

Either,

A. The discourse is less genuine due to lack of skin in the game

Or,

B. The discourse is less genuine because people will self censor if they have too much skin in the game

Further,

You then state that claims are easier to verify if we know what credentials users have...

This is part of fiat culture, not of a meritocracy.

Ideas should stand (or fall) on their own merit (or lack thereof).