Noticed the same thing, though our member only fired the laser off if it was convenient for him (and even still, I pretty much ignored him and got my own yardage).
The thing that was REALLY annoying to me, an imprecise player if there ever was one, was our forecaddie at Stone Eagle - he would laser the yardage and then give me something else with the slope factored in. If it was dead uphill and I was on top of a sprinkler that said 125 to a front pin, I think to myself (okay, minus 5 for the pin and plus 5 for the hill so play about 125)
He lasers it, and tells me nothing more than "135"
I'm shocked - "135??? I ask"
He lasers it again - "Yep, 135"
Me: Is that to the pin or the middle
Him: Pin
Me: But I'm on the 125 sprinker and its a front pin - shouldnt it be around 115? I would play it about 125-130 with the slope
Him: I already factored that in
Me: So what is the ACTUAL yardage to the pin??
Him: 113
It just really bugged me that he was doing this math in his head and not even telling me - kinda like doing no favor to the player by only doing half a favor.
Anyhow, on the topic of range finders - as long as a course is well marked with sprinkler heads and I know if a pin is front, middle, or back, there's nothing more we should need. Sure, there are guys that can dial it in to a yardage within 1-2 yards of distance control, but anyone above about a scratch is playing in a 5 yard circle at best and I'd rather not complicate things.
I don't even like to look at the pin yardage at a GPS unit (not for the obvious philosophical opposition) but because the yardage to the middle is much more important to me than the yardage to the pin from every distance outside of 100 yards.
Somewhat related:
The Palms sprinkler head yardages are to the front edge of the green.
The Plantation are to the middle.
Both courses give you pin sheets - the Palms adds the yards for every pin, +7 to +37
Plantation adds or subtracts -17 to +17
Any preferences out there?
I personally cannot stand front yardage sprinklers - one of my biggest golf course pet peeves.