FSD has no excuse for it: FSD has a map open in front of it at all times. It knows which roads are one-way before it gets to them.
So, 100% or not at all? No.
Why are you assuming that the vehicle was using FSD at the time?
because space man bad
Nope. Never. Are you sure you should be driving?
That's great for you!
And literally everyone else I know. Seriously, it's basic basic stuff. How the hell can you go the wrong way down a one-way street? Don't you have a driving licence?