[consp]

> - Not requiring me to touch the steering wheel every 20 seconds

In many countries doing this will void your insurance.

> - Sharp turns on the highway that require slowing down (both built-in adaptive cruise modes will gladly just drive you off a cliff at 65 mph)

While it's probably given that this will happen, it's also an infrastructural failure. Just place a limited speed limit sign way before the sharp turn, or fix the road so it doesn't make a sharp turn.