Originally Posted by DeltaboundRedux

My understanding is pilot mishaps on the ramp at Delta are incredibly rare. The yellow vest became a thing because the ATL airport authority was [trolling for fines] very safety conscious.

There was (supposedly) a pilot who managed to knock himself out ducking under the fuselage and head contacting a probe/door/airframe. A jacket wouldn't help in this scenario.

But a hard hat would.

Be careful what you wish for.