Yes, is the simple answer to the question. If it makes other's safe.
Agree.
There is a club in Delaware where internal OB is needed to protect golfers on another hole.
In an ideal world it would be not needed. Last time I heard, we don't live in an ideal world.
Joe:
Assuming you're talking about the venerable DuPont CC, which actually has it twice - once each on both of its courses: between the 1st and the 9th on the main course and the 5th and the 8th on the Nemours course (both pairs of which play next to each other in opposite directions).
Better still, both are "one way" out of bounds markers, meaning that there is no out of bounds to the right of the 1st hole on Main or to the left of the 5th hole on Nemours, but there is OB to the right of the 9th and left of the 8th holes, respectively.
It's most definitely safety issue as the corridors made by the other holes provide an attractive and shorter route. But on the plus side, I've never seen anyone actually hit it OB on either hole unless they were aggressively (and foolishly) trying to skirt the OB border rather than playing the hole as designed.
I'd much rather the club solve the problem with a few well-positioned trees next to the relevant tee boxes, but in the absence of that, I'll begrudgingly acknowledge that the current setup is probably for the best.
Engineers in NY has a similar arrangement to the left of the hard dogleg left par-5 tenth hole. They even go one step further and include a sign stating that play up the left side it prohibited and extremely dangerous, and if a member is caught playing through the inside of the dogleg, their playing privileges will be suspended.