I bought the R when it first came out at full price. I can say with certainty that I don't like the touch screen focus; I think it ruined the hobby for me. I really want that joystick back. Main interest right now would be landscape. I'm getting to the age where yolo starts to make sense.
I have the RF 24-105 and probably won't get any more RF glass for at least 12 months since I'm covered in EF glass, although a 15-35 isn't terribly out of budget.
I'm not interested in losing pixels with the R6.
Resale value on the R brings me to the value question, since the R is worth half or less of the original purchase price, and a used sale would've softened the blow a bit. I don't want to see the same thing with the R5 in 12 months. Plus I'd need a new PC rig for 45MP, and surely for 4-8k video.
Going to Hawaii this year and hopefully some overnight hikes throughout the year, though It's almost like photography died for me with the touch screen focus.

