Yes, I do know some of those and Edmunds' test

Still, some people like to talk about how the million mile Teslas will drive all repair shops out of business

Tesla claims it has made huge improvements in this area. This was all over the news.
Tesla upgrades its electric motor on the road to have powertrains lasting 1 million miles
Above was complete BS and bizarre reading into things by Electrek. See
New Motors - 1 million mile life. Model 3 the last car you buy?
New Motors - 1 million mile life. Model 3 the last car you buy?
New Motors - 1 million mile life. Model 3 the last car you buy?
Yes, we know about a
goal from July 2015. From
Three Dog Day | Tesla Motors
"
Luuudicrous Mode
While working on our goal of making the power train last a million miles, we came up with the idea for an advanced smart fuse for the battery."
There's no evidence to suggest they've come even close to meeting it. Please see
Official Tesla Model S thread - Page 348 - My Nissan Leaf Forum.
Already responded to earlier.
Again, this is the same goal. From the conference call you cite in
Nov 2015
"Yeah, right now we’re actually very happy with the quality of the drive units. I mean, internally, our goal — we changed the goal of the drive unit endurance from being approximately 200,000 miles to being
a million miles. Just basically, we want drive units that just never wear out.
That’s our goal. And I think we’ve made really good progress in that direction.”"
See
Official Tesla Model S thread - Page 348 - My Nissan Leaf Forum for examples of DU failures from after that
goal was
originally stated in
July 2015, all with VERY low mileage. And all those failures were from DUs produced after Elon already claimed the DUs going (being shipped) out are "excellent".
I listed some DU failures from 2016 and beyond at
Battery Warranty not unlimited miles?,
455,000 active reservations at the time of the July Model 3 event. (including Elon's claim from Nov 2015 that DUs were "excellent")
As usual, Tesla's hype was "all over" the "news" and echoed by various sites and they were just statements about a goal and making progress towards it.
It seems that you and others have conflated a statement of a goal with shipping or having shipped to customers hardware that actually meets the goal.
Battery Warranty not unlimited miles? is a brief summary of statements Elon's made about DUs and what's supposedly to blame. I personally suspect there are numerous causes and some he didn't know about at the time in other cases, it was just an oversimplification for the sake of brevity of the setting (e.g. investor conference call, not a presentation in motor design and failure analysis).
So please answer again, what is the source of "According to Tesla and some posters here, Tesla drive units should last million miles"? They had a goal. I've never seen a claim that they actually met it nor have you pointed me to a Tesla customer vehicle at 1 million miles on a single DU.