Great seeing this discussion! I have also recently learned about this. We don’t need no extreme shoulder blade retractions.
Common cue of depressing the scapula may also lead to neck pain as it lengthens the upper traps and shorten the levator scap.
This is a great observation that I don't see talked about enough.
For everyone who isn't a powerlifter, your scapula should move during the bench.
The main reason pinning the shoulder blades back became a thing is because it allows powerlifters to move more weight. Everything a powerlifter does is to simply get the heaviest weight from point A to point B by ...