So, you're saying to simply incorporate spin drift into wind drift, at any given range- and look at it as a single variable....
No that's not what I'm saying at all.
Lets say you know your 1000 yard zero. You came up X clicks from 100 and your zero (windage) should be the same.
So you set your sights, check the windmeter/flags/mirage, etc. and determine the wind is blowing 10 MPH. So you adjust for your wind call, get a good call and release and find out you're still right or left (depending on the direction of twist) and you're still off. It's probably spin drift, so you add that to your 1000 yard "no wind" zero.
Next time you shoot, and put on your elevation, you add your "spin drift" corrections, THEN make the wind call and adjust from your no wind 1000 yard zero (with spin drift corrections added).
Wind and spin drift are different concerns, but both require corrections.
This is not a new concept by any means, Gen. Hatcher (then Major) taught this in 1917. He used the Model 1903 Springfield, Using the 1906 ammunition, the drift for this rifle cause by the spin of the rifling (spin drift) was 12 inches.
at 1000 yards.
So when you add your elevation while coming up to shoot at 1000 you also need to add 12 inches left, for this rifle,
AND THEN you would add your corrections for the wind.