for one thing ballistics is just simple math, the holdovers are not imaginary, if you are convinced they are show me the numbers, prove your bullshit or STFU! its that simple
This pretty much proves you can't fix stupid, where do you aim?
" You also shouldn't be aiming at the "deer shoulder" at 400 yards."
You have PLENTY of time to range and dial at 400 yards.
If you don't, then you haven't done your job staying concealed...and you have no business whatsoever attempting a shot. Let it walk.
It's that simple.