Q2: yes, usefull, nostr:npub1m4ny6hjqzepn4rxknuq94c2gpqzr29ufkkw7ttcxyak7v43n6vvsajc2jl asked for it and I'll do it (probably after Prague)
Q1: yes, very much so; this is not trivial and it spans a bunch of different use cases and data comparisons; I plan at some point writing this as a DVM because exploring controversial and disagreeing positions is of extreme value, particularly where we're going, it's going to be increasingly important -- integration of opposites, etc.