TrueDon't fix what isn't broken. If you're hitting and killing deer rock on.
And on the flip side of the coin faster arrows and bigger broadheads definitely encourage some bronies to get sloppy with respecting their max effective range and shot placement particulars because they're "shooting flat out to 50 yards and practically cutting that deer in half, may'un!"
Stupid will be stupid. Somebody has to live on the wrong end of the bell curve.