Clueless nut on a scooter

[BleeckerSt_Girl]

So I'm riding down the highway on my bike today, on the shoulder all nice and easy. I come around the turn and there's this 60 year old guy on a motor scooter coming towards me on the very same shoulder.
So.... you think quickly that maybe we should pass each other by each keeping to the right?....WRONG! The guy doesn't budge and keeps coming straight at me on the shoulder going in the WRONG direction against traffic. There is nothing but ditch and trees to the right of the shoulder, so I had no choice of where to go but left. His scooter was loud so I could not shout anything at him. He's looking right into my eyes and just keeps zooming ahead and so I swing way out into the lane to go around him. (If I didn't swing WAY out there was a chance he'd swing out to go around me at the very same time and then we'd hit head on.) Happily, there were no cars at the critical moment (thank you again, beloved helmet mirror!) and I was able to swing wide around him. As I passed, I made emphatic pointing motions to the other side of the road to hopefully give him a clue. SHEESH!!!!