With all due respect...
they also put siriusXM radios and antennas, and block heaters,
and just changed cigarette lighter over to power ports, etc... so lot's of things are on vehicles that may or may not be used
as stated - don't know the chevy side of it...
but we've gone through this many times over on truck forums and most figure out they don't need it IF (and a big IF !) they buy enough truck to tow their load...
granted if the tv is undersized for the load, it is prudent to use tow haul... the engine needs the higher shift points to be able to get going well enough into the torque curve to not bog when up shifting.
but the new owner will find out what works for him and whether or not HIS load and terrain conditions warrant using tow/haul or not...
have fun - sorry if I don't agree ...