It's wild, most Teslas I encounter drive fine, but every once in a while I see one driving completely erratically. Stopping 20 feet too soon at a stop sign, very weird positioning in lane, sudden acceleration or deceleration. I think I can pretty much tell if a Tesla has FSD enabled if I follow it for a minute or so.
I always encounter a lot of Teslas while walking my dog and it's clear they're no safer than many people who shouldn't be driving regular cars.