I never had ABS when I was a kid and I could fix a car (that I probably paid 500 bucks for) with a butter knife and a roll of duct tape by the side of the road. That's another totally unnecessary gimmick that some anal retentive engineer thought up because not over-complicating things would seem like a lack of progress to someone with that particular neurosis.
On some new vehicles you can't even change brake pads without an expensive scan tool to rejigger the computer.