"SHOULD" is the word in the idealism here that sways the whole outlook.

not everyone has the same talents/values to contribute. not everyone chooses to contribute the same type of value.

(and maybe there's another point of hypocriticism highlighted from my own case, having some unconscious presupposition that the site's dynamics and people on it "should" be different than what they are.)

...

and thanks, @officialfuzzy for the input. short, but appreciated. (and is more disillusionment than panic. :-) )