@lyssa22 there is already a mod that removes all threats besides normal zombies: https://7daystodie.com/forums/showthread.php?100533-REV6-7-8-s-REALITY-CHECK
It disables all Ferals, Radiated, Screamers, Cops, Vultures, Bears and Wolfs. and the best part? you can chose, which ones you want to...