First, I will be 75 years old, and probably won't care, but can envision coming out to some of my old courses for consulting, not much else.
It occurs that if the guys who now hit it 250-270 increase 10% to 275-300, and who now play the second to back tees, at about 6800, will move back to 7000-7200. The biggest change will be increasing the typically small back tees a bit, but keep the forward and middle tees about as is.
As to green speeds, maybe golf will allow some stickum on the golf balls for putting, or introduce a special putting ball that reduces putt roll distance......well, a lot of you guys called for ball rollbacks, and there it is.