The left couldn’t care less about gun crime. Leftists violently oppose the ownership of firearms in the United States because it is very difficult to enslave an armed people. Period.
Second Amendment protections were put in place so that citizens could shoot operatives of an oppressive government, not deer.
On the contrary, they LOVE it. It justifies more unionized police, more clerks, more prison guards, more invasive laws, more ruined families, more dependents...
Thus they gain two permanent indentured constituencies: one a claque of armed bureaucrats to do their bidding and the other to inflict a crime spree upon their enemy, an independent the middle class.
Leftists violently oppose the ownership of firearms in the United States because it is very difficult to enslave an armed people. Period.
Which is only possible once the former mechanics have done their work.