Photo: KAILEY SCHWERMAN/Kailey Schwerman/SHOWTIME Yellowjackets is, among other things, a series about a girls’ soccer team that survives a plane crash by resorting to cannibalism. We’ve seen some vile examples of this so far — particularly the consumption of the late Jackie Taylor ( Ella Purnell ) in season two — but as explained during this year’s Vulture Festival panel with members of the Yellowjackets writing team, there are limitations to how nasty they’re willing to get. “Here’s a bunch