I'd rather be harassed by a security guard than a cop any day. You basically never see private rent-a-cops doing the kinds of stuff police get in hot water for

I'd rather be harassed by a security guard than a cop any day. You basically never see private rent-a-cops doing the kinds of stuff police get in hot water for because they don't have a legal double standard to protect them and the financial motives to not waste resources result in less incentive for "you can beat the charge but not the ride" behavior.