Exactly right. Try driving past a mob of kangaroos at the side of the road. There's a definite pace that works and they'll often break straight in front of you

Exactly right. Try driving past a mob of kangaroos at the side of the road. There's a definite pace that works and they'll often break straight in front of you with little warning. Until self driving cars have been deployed internationally in a huge range of driving environments I'll take my chances behind the wheel.