What A Community-Sourced List Can And Cannot Do
A list of openings maintained by the people who read it has one advantage that no automated aggregator matches: entries arrive from people who know the market, often before a role reaches a general job board, and the obviously wrong ones get corrected quickly because someone reading the list recognises the problem.
The limits are just as structural. Coverage follows the contributors, so the segments and territories with the most engaged readers look busier than the others regardless of actual hiring activity. Freshness decays unless removal is as easy as addition, and closed roles are reported far less often than open ones. Nobody submits a correction for a listing they were never interested in.
That shape makes such a list useful as a starting point and unreliable as a measure. It shows where roles are being talked about; it does not show where hiring is strongest, and reading it as a market indicator will mislead in proportion to how uneven its contributor base is.
The maintenance habits that keep one usable are unglamorous: a low barrier to reporting an error, a visible date on every entry, and a willingness to remove anything that cannot be confirmed rather than leaving it in place because removing it would make the list shorter.