"Why does your generation hate them so much?"
"Brooms have been co-opted by the holiday industrial complex as an absurd emblem of our culture. Worse yet, they're an obvious symbol of female domesticity."
"Annnnnnd they're basic."
Occam's Razor, it is. Not a surprise, really, but I loved the reveal nonetheless, perfectly capped with Billie Ellish's "You Should See Me in a Crown."
I was, however, surprised Alice was killed off relatively early on. But on a show where the spirits can literally appear (although we actually knew ahead of time Agatha's mom would pop up at some point), I suspect we haven't seen the last of her either. I did love Sharon's brief return, even it turned out to be Agatha mimicking her (really well, at that).
One curious thing: After the last trial, when Billy confronts Agatha, we only see Lilia and Jen emerge from the house with no Rio in sight. Not sure what that means, but everything is topsy-turvy with Agatha, Lilia, and Jen sinking in the peat moss (or was it quicksand, I couldn't tell for certain).