Std climb profile. Seen the same profile used by other U.S. domestic carriers.
Gets you clean (less gas), and leaving town faster(less time).
AAMP never advocated 'kicking' the rudder which is an unfortunate term others have used. The AAMP tape, referenced in the NTSB report, actually says to be careful using the rudder at low airspeed and high AOA. "Too much is actually the spin entry technique, isn't it?"(paraphrased)