We're less likely to see major potholes with autonomous cars
What makes a small pothole big is people driving over it constantly. Where I live potholes are common, and even in the summer when freeze/thaw cycles are not an issue you see potholes growing when people keep driving over them and chipping away a bit more and increasing its size.
Autonomous cars will steer around them, alert the road crews, and the road crews will say "eh, as long as there's room to swerve around it why bother fixing it". And they might be right, why should they be fixed if they can simply be avoided? That would be the meatbag option as well if we were always looking closely at the road ahead, but usually I rely on memory - I have hit a jarring pothole in a certain location a few times so I remember it for the future and pay attention to avoid it when I return.