On top of that, it appears that they conducted the tests using only CCS adapters, which in the US are now being dumped by every manufacturer in favor of NACS adapters, i.e., what Tesla uses. NACS isn't even mentioned. Why not?
I routinely take road trips on two long-range Teslas, and typically 1000+ miles/hour when the battery is preconditioned and has no more than 20-25% left.
In practice, I just type or say a destination and the car figures out if, when, and where it should charge to minimize travel time, automatically preconditioning the battery on its own. My usual experience is that I arrive, go to the bathroom, grab a drink and/or a snack, come back to the car, and voilà, the car has added 120-180 miles of range.
EDITS: Added comment about NACS.