This is a response to Vol 10 Larry 8 ("A further constraint")...
I've noticed these tendencies also. It isn't a downfall of Pelago. I think it's a matter of interests. I get into the relationship stuff, others get into the computer stuff, only three of us were into the crab story. I'm glad there is a varied group.
I can see special interests groups getting into Pelago for specific interests but I like our generalism.