Like I said, it's "standard across manufacturers." Doesn't stop it from feeling backwards.
Mercedes did, probably still does, this, and Tesla had it in Model S when it used the Mercedes part for its first run(s) of Model S back in the day.
The comparison to the old column-mounted shifters doesn't seem right - those were specific positions for the shifter, and since NHTSA via FMVSS regulates that the display be "PRND" in that order, to get the mechanical pointer to point to the correct label meant a clockwise rotation. That R was "up" from D was just a by-product and you knew which way to go since you wanted the pointer to move. With the new non-mechanical shifters, you have only the tiny print on the shifter, which I can't read while driving, to know which way to click (not move).
Imagine a manual transmission car where "R" was forward and "1" was towards the rear. That's what this feels like. It may be muscle memory for many now, but that just shows human adaptability.
On the subject of Teslas, with your seat belt fastened, it'll automatically choose R or D for you based on what the cameras see, when you press the brake pedal. So, get in the car, press brake to close the door, fasten seat belt while the door is closing, then press brake again to auto-choose direction, then press the accelerator to go. Pretty intuitive.