Have you ever ridden a horse? They "breakdown" quite often. As soon as mass production of cars started, they were practically superior to horses in almost every way.
We are specifically talking about people who signed up to be a beta tester.
FSD is not a rational choice over the alternative and its adoption in no way resembles the adoption of cars. The analogy is bunk. But I won't keep beating a dead horse here, I was just trying to explain why it doesn't IMO make sense.