Are you paying for that? No.
And if you are, because you're a member at one of these courses that are lengthening to attract a PGA Tour stop or something… vote against it, or vote with your feet by switching to one of the thousands of clubs that play great for 95% of golfers at 6500 yards.
I think pace of play is over-stated as a reason. Most people drive carts, and even if you have to walk an extra 1000 yards (quite a lot), that's less than 15 minutes added to the round.
Bobby Jones could hit a golf ball 250. It's not like we've doubled how far we hit the golf ball in the last 100 years.
And the average player doesn't hit it 285 very often.
I don't think so. I think it's pretty linear when you're talking about the same spin loft.
All else equal, you can tilt the spin axis easier with a lower spin loft… which results in lower overall spin… but that's not the same topic.
I have both but rarely use the rangefinder, I rely on my Garman GPS watch. All I really need is distance to the middle of the green, I adjust by eye if the flag is in front, middle or rear. Besides I'm not that accurate enough to adjust for a few yards. I rarely go pin hunting, I shoot for the middle of the green for the most part. Rangefinder is good for telling distance to a fairway bunker off the tee though.