I'll give you my perspective. I simply will not consider any cabal that has a PK requirement pre-admission. I'm not saying they should not exist, I'm just saying that in 20+ years of CF, it's been a barrier which I did not have any interest in overcoming.

I will further make an observation that cabals that have PK requirements (Village, Fortress for Maran) appeal to certain category of players and perhaps could be philosophically more interesting if they also picked up other players. In other words, expand / break the "Spike" stereotype.

https://boardgames.stackexchange.com/questions/38836/who-are-johnny-timmy-and-spike-and-what-do-they-do#:~:text=rush%20of%20competition.-,Spike%20enjoys%20the%20stimulation%20of%20outplaying,and%20the%20glory%20of%20victory.&text=Johnny%2C%20Timmy%2C%20and%20Spike%20are,the%20metagame%20for%20new%20expansions.