I could see it being safe from a germ perspective but when a little nugget of shit rattles around in the machine and ends up anywhere near what you’re using to eat that’s gotta suck, safe or not.
The tyres are worn down to a point they were never intended to run at, I don’t know but the rubber compound could be completely different that far down, not to mention the risk of punctures.
Ghostery hasn’t been mentioned - it has a feature to auto-decline cookies. The popup shows up, but you just wait half a sec and everything has been auto declined.