60 is fine.....for a minimum speed limit.
Restrict all vehicles over six wheels (that means you punks pulling trailers, too) to the right one or two lanes and make the left or leftward lanes car only and if you get hit in the rear, it's your fault for not going fast enough.
Ayn Rand beats the crap out of Chomsky, for sure.
When all is said and done, they are both authors of fiction.