Some of the most complex problems I've ever solved were solved when I was mowing my own lawn with a push mower. Just in a trance. Many of the best life decisions I've ever made were when I was on a walk, thinking things through.
Kind of unrelated. That issue was due to a misguided effort to be cautious by having vehicles requesting human-review when they didn't really need it. Waymo fixed the issue by allowing the vehicles to operate in their normal, independent, mode.
part of the problem is that SFs traffic lights just turn off in a power outage, rather than flashing red battery power as I have seen in many other jurisdictions
There is a difference between the "smart" thing to do and what's considered to be the right opinion by "smart" people. Lobotomies were endorsed by elite medical opinion (Moniz won a Nobel for it in 1949). Smart-person consensus often doesn't survive contact with reality. Smart people are as susceptible to groupthink, moral panics, and manias as anybody else.
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