[Dprglist] Tesla crash

[Ezra Christensen]

"This time, they upped the statistic by about 10 times over the stat 
they used in their previous fatality, when in fact the stats are at 
least twice as bad as before."

How do you figure?

The statistics used in car deaths; autonomous, tech-assisted, or 
no-tech; are fatalities per 100 million miles driven. This is the 2nd 
fatality in a Tesla. That doesn't mean "twice as bad". You have to 
calculate the total number of miles driven with the tech-assist on.

There was less time between customers having access to auto-pilot and 
the first fatality than between the 1st and 2nd fatality. With 
technology adoption curves and other actual maths, 10x safer is 
possible.

But let's stick with the bad math, start nose planting people into their 
dash boards, and cause rear-ends - just to be safe - because this one 
person, who was given repeated warnings and plenty of time to take 
control, didn't.


------ Original Message ------
From: "John Swindle via DPRGlist" <dprglist at lists.dprg.org>
To: davida at smu.edu; dprglist at dprg.org
Sent: 3/31/2018 12:22:20 PM
Subject: Re: [Dprglist] Tesla crash

>Why didn't the car nose-plant the driver on the windshield with a 
>rib-crushing panic stop? Brakes are always far, far more powerful than 
>engines, and those cars can accelerate wonderfully, so they can stop 
>even better. Even if it began a panic stop and could not avoid the 
>obstacle, the energy would be far less, and it's better to chance being 
>rear-ended than to definitely hit something.
>A friend's Toyota truck nose-plants me when someone crosses our lane 
>half a block away. Makes no sense for Uber and Tesla to not force panic 
>stops.
>
>Makes no sense.
>
>Also, Tesla is once again touting their safety record. This time, they 
>upped the statistic by about 10 times over the stat they used in their 
>previous fatality, when in fact the stats are at least twice as bad as 
>before.
>
>Makes no sense.
>
>Just don't hit anything. Anything. Learn to stop. No need to 
>special-case tens of thousands of conditions. Just don't hit anything.
>
>John Swindle
>
>
>-----Original Message-----
>From: David Anderson via DPRGlist <dprglist at lists.dprg.org>
>To: dprglist <dprglist at dprg.org>
>Sent: Sat, Mar 31, 2018 11:56 am
>Subject: [Dprglist] Tesla crash
>
>New statement from Tesla about last week's fatal crash:
>
><https://www.tesla.com/blog/update-last-week%E2%80%99s-accident>
>
>TL;DR summary: Autopilot was engaged but did not respond, three hands 
>on
>wheel warnings were given to driver.
>
>-dpa
>
>
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