You don't need more non-lethal deterrents, you need to educate your police officers about how to deal with a human without shouting and threatening. And nope,

You don't need more non-lethal deterrents, you need to educate your police officers about how to deal with a human without shouting and threatening. And nope, no industry needs to be disrupted, no industry needs ignorant individuals without domain knowledge to reinvent the wheel or replace human interaction with a machine interaction, 5 star ranking system and all your personal data sold away.