Their claim comes from their interview of a Tesla rep, they say, there's a spearate story on the range test, only, that got posted about a week ago. Which is impressive that they got Tesla to talk to them at all.
This makes some sense.
Also, holy damn the LR+ Model S was a good deal at $69,420 + destination. I guess that means my 7seat poverty-white LR+ X was a good deal at $83.495 + destination, but it sure hurt a lot more. More performance (in some metrics anyway) and space than Taycan 4S for half-off. MERICA