>HN users have an intense emotional relationship with the front page
If a "greatest 80s hits" radio station started broadcasting music from the 00s and people got pissed off you wouldn't say "listeners of this station have an intense emotional relationship with it". When they tune in to the "greatest 80s hits" station, that's the only thing they're looking for; they don't want to listen to random songs.
There are risks to making too many rules about who gets to be a member in your club.
And no risks in being too open about who gets to be a member of your club?
For instance I've worked for companies (at least two) where, the set of goals for the hiring process, and what was actually practiced, were pointing in somewhat different directions. In the end it really came down to "how like us is the candidate". All while sailing under a "diversity is good" flag, being convinced that we lived our values, and (in one case) increasingly experiencing the problems stemming from a hardening monoculture. What happens when you try to resolve that situation is, to put it carefully, "interesting".