I'm supprised no one here has mentioned the STUG III ASSAULT GUN . It is in a horrible spot and a good runner to be the most useless unit in the game.
I think it's best to make the stug 3 similar in role to the m8 motor carriage that relies on long range focused bombardment.
Do you mean the doctrinal Stug III
G E with the exploding shells? I agree it is one of the doctrinal units that feel half-finished, like the PzIV Command Tank.
Otherwise, the standard Stug III has great value and can punch above its weight.
Spotting scopes on Elefant became almost pointless as means to self-spot once the delay was added.
The unit requires other unit to spot in most cases.
Indeed, as small position adjustments are often needed, the Elefant's scope isn't 100% reliable and its better to keep an actual recon vehicle close by. It's still a nice extra feature to have, of course.