Prevents Spidertrons from entering NotNotMelon's Factorissimo buildings. This is necessary for proper compatibility with things like Spidertron Patrols or Constructrons. Otherwise, buildings will kidnap errant Spidertrons and break their pathing.
Credits:
NotNotMelon - His fork of Factorissimo
Honktown (discord) - Some code
Several other people in discord - Other help with the code.