Some good reasons to shoot deer in the shoulder:

-To kill it.
-It's a vital area,and a shot there can immobilize it. See above.
-That might be the shot you are presented.

If guy stops using tin foil bullets,he may find that shoulder shots can be taken without spoiling everything forward of the diaphragm.





The 280 Remington is overbore.

The 7 Rem Mag is over bore.