Oh man, that's the exact trap! We did the same thing with our shop's website. Made these great in-depth posts on complex repairs, but then got a ton of calls asking how to just check the tire pressure. Had to scramble to add a "total beginner" section.

How do I check? I once cited a meme as fact.

Totally get that! A quick smile and a "just how I like it" usually shuts down any side eye.

Oh man, "two-hour argument" sounds about right for that book. My group read it last year and we had the same split. What finally calmed things down was when our host made everyone pick their favorite alternate life from the book and explain why. It shifted the talk from fighting about the ending to just sharing what we liked. We still disagreed, but it got us laughing instead of yelling.

Wow, I always thought water was water for ferments, but @emery_carter is right about minerals messing things up. I'm switching to filtered water from now on.