A lot of NPCs aren't hooked up to use the new system yet. Leek didn't want to hack in the old one as a placeholder, so it's like this until I reach it on the todo list.
https://rickandmorty.fandom.com/wiki/Plumbus
Up to fen. Maybe needs beter silly mode gating? As written it looks like the gate stops things from being too obvious, but does leave it confusing.
Ty! I hadn't actually tested any of this yet. I got the door unlocked, and fixed quite a few things in the quest. My usual path through works, at least.