With the economy and changing social dynamic, it is prudent to encourage the public to defend themselves and their interests where closest to their domain.
There is a very large population of very criminal lower class who are also unemployed, but unlike many professionals lack virtue and character.
I suspect we are about to see violent criminal increase by an order of magnitude. Far better for victims of such criminal behavior defend themselves at the expense and risk of the criminals, than to completely overload the judicial system, which in many cases is unable to financially keep the guilty behind bars.
Imagine gang crime in the 30’s, but now with more firepower and international ties instead of interstate ties.
Self defense does not include reckless car chases through the streets. You are FAR more likely to hurt yourself or some other innocent.