If you have a Tesla and use Autopilot, please keep your hands on the steering wheel (TSLA)

I've driven several Tesla vehicles on Autopilot and feel strongly that drivers should never take their hands off the steering wheel.
Despite two fatal crashes in the US involving Autopilot, and a clear finding of Autopilot's limits by the NTSB, Tesla hasn't disabled the Autosteer feature.
Tesla asserts that Autopilot reduces fatalities from potential crashes, but for now, allowing the vehicles to operate in a hands-free mode is too dangerous.
There have now been two fatal crashes of Tesla vehicl