Lol Oscar -- 'Humbug'
Some here might remember the Dennis The Menace cartoon, the usual one-panel, from decades ago, with him and his little pal Joey in some store surrounded by decorations. 'Look Joey! Christmas decorations! That means it's almost Thanksgiving!'
So this seasonal avarice didn't begin with radio. Radio sort of sniffed around the marketplace, in reaction. I suppose that at first, early Holiday formats were considered daring, pioneering, and even borderline-depraved. I guess in 2016 terrestrial needs all the help it can volunteer ringing kettle bells nowadays.