I disagree about skill levels being lower, very few cars had power steering or disc brakes, steering wasn't normally rack and pinion, so loads of play, brakes were often unassisted still, and needed regular manual adjustment even to perform at much lower standards than modern cars.
Tyres were mostly cross ply and cars were mostly rear wheel drive, an entertaining mix in wet or icy conditions, requiring a degree of skill todays motorist mostly doesn't need or possess.
Modern cars drive themselves by comparison, and frankly 70 mph on motorways is boring in normal conditions, I think 80/90 keeps you more alert, assuming suitable conditions of course.
Middle lane hoggers should be shot.