With regards to the trees on 11, I think they are useful, for a couple of reasons. Firstly, they encroach more than you think. It actually makes the layup a trickier shot, because you need to be far enough left to not have them impacting the pitch (whilst not going into the bunkers, left / right / short and ideally not staying on the downslope). It becomes a tricky layup, which I don't think is a bad thing on a short par 4.
You can hit driver, and you can hit it over the trees if you want to take on the green- they also challenge the drive at the same time, because if you get caught up in them you end up in the ditch or stymied, and if you go long and left you have a very, very delicate shot over the bunker to the smallest green on the course.
The trees help dictate strategy on the hole and without them I think it would be a far simpler challenge.
The sensible play is a hybrid to leave a relatively full wedge. Half wedges off a downslope to an elevated green is not a shot that I am particularly comfortable with. However, despite knowing that, I normally hit driver, as I am not really long enough to leave myself the tricky pitch over the greenside bunker if I go left, and it means I can play a bump and run onto the green.