There is two methods of getting your deer. Still hunting, sitting
on a stump or in a stand. This type of hunting allows the use
of supported positions for your shot. This is more or less Sniping.
If your rifle is zeroed there is no question you are going to hit
your deer. When you are "Deer Hunting" you are moving and
usually in thick cover. Deer come out of brush like rabbits. It's
only going to be in sight seconds and it ain't going to be standing
still. Bench shooters do have trouble with this " position", they
are shooting rested and are waiting to get a stationary shot on
the deer. Bench shooters would perish from starvation if they had
to off hand at a running deer. That is the difference of shooting
deer and hunting deer. Failure to learn to shoot standing on your
hind legs is like the checkouts at Wally World who couldn't make
change for a dollar without the digital read out on the register.
If you are going to hunt from a stand I guess your practice would
be judging the distances and learning to compensate for them.