you set up the descent properly there should be no need to resort to the mistake handle
Funnily enough I've had so many guys drop flap at placard minus one, or **** off US ATC by slowing early/or***** me off by busting a gate that I now brief the P2s that if they need spoiler use it, and
dont regard it as a mistake.......but that's just me....
But I don't do the "spoiler" PAs either........