This is like saying noone should drive SUVs because you can fit them with bulletproof glass and armored doors...
I play airsoft. My gear is very realistic, even down to my plate carrier loadout. But I can tell you that these things just do not have the physical capacity to withstand the force behind even a .223 round.
In other news today, BAFTA researchers have discovered that is it possible to embed weapons in violin cases. BAFTA is in the process of alerting all concert halls and opera houses and it is suggested that they screen all performance artists and violinists for previous felonies and substance abuse. It is not known what the impact will be to music schools and classes, as upcoming students will potentially be evaluated for religious beliefs, military indoctrination and psychotherapy.
BAFTA officials have not commented on their decision regarding women’s purses and explosives.