
Same as relying on the community to not to be assholes to the noobs, or do some political games and etc. If there are no mechanics supporting it, so the gain vs the work would seem to be feasible, no-one going to do it. This is why there are not that many cultural places, inns, or even the local markets.
So yeah, hopefully this paragraphs answers to the stupid remarks like "Oooh, if you care so much, why you don't do it".