AGM and GBU Damage

Does AGM indeed target a vehicle’s hitbox rather than a specific point? I use AGM-65H in SB, and it almost always hits the most armoured part of the tank; even if I shoot from the side, it will hit the composite cheek of Leopard 2A6. GBU with fuse, if put DIRECTLY on the top of the tank, will result in a hit with only MG and Optics destroyer; I thought this was fixed long ago?

This is gaijin. Asking for competent development is a pipe dream.