If we are so certain Airplane could not be made, can anyone point to efforts to remove Airplane from streaming services? If people would be so offended by that humor it seems there would be evidence of groups fighting the original.
They did on Blazing Saddles which is why they now air something at the beginning to tell the viewer the racists are being made fun of. No such opening has been added to Airplane, and Blazing Saddles is still shown.
But, but, but...comedy is dead! Lenny Bruce got "cancelled". Studios just stopped wanting to invest millions in David Zucker because he stopped being funny enough. Did you ever see Baseketball? Or Scary Movie 5? Enough studio execs did to know he'd lost too many miles on his comedy fastball.