It's also just fun and provides a strong cue to slightest bit of sideslip, especially in an auto.Been doing it for a few months now. It's the ONLY way to fly when doing brownout. Doors off is the solution to brownout. We just need to lose the idiotic aspects of the IFC that require removing soundproofing.
For the record (well, the AW record), it's the calculator-toting nerds that won't let the soundproofing stay in, not the test pilots.