This is prompted by the fact I just saw a commercial for a christmas movie on tv.
At the beginning of October. WTF

The current trend is christmas marketting seems to be an 'expand the season' approach which is sure to cause some kind of malthusianesque business disaster or something at some point, when they start expecting people to push Black Friday up to mid september and... gasp, it doesn't work at all.
But this years current forerunner for Seasonal Lameness is:

Hollywood.
Advertising a highly seasonal movie TWO MONTHS before it is relevent, now that's brilliant. I don't even remember the name of it, all I remember is Santa, snow, elf horseshit and a lot of guys getting hit in the balls. Interest level = 0