If the Jewish community actually followed that principle, you’d be shutting down 3/4 of the heimishe food establishments and every balabuste on the Orthodox street, whether it be 16th Avenue, Avenue M, or Park Heights Avenue, would be left with no recipes to prepare. Gehakhte leber, cheesecake, blintzes with sour cream, gribenes, chulent with kishke and kugel, fatty, juicy pastrami, salami, chopped egg, Motzei Shabbos Mendelsohn’s pizza, fries, and ice cream, and many other heimishe gustatory habits would fly right out the window, not that that’s a bad thing, per se.
Owning a gun can be a very practical measure towards promoting one’s wellbeing, on the other hand.