Inflatable plastic snowmen; blinky lights; toxic-looking white spray-stuff that's supposed to evoke winter.
Red and green cardboard sleigh outlined with blinking electric bulbs.
Faux plastic garland climbs a pillar at the center of the room. More of it outlines the doors.
The tree is Constructivist: concentric neon circles, each smaller than the last, rising to a point about five feet off the ground.
You contributed a holiday song. Jarring to find your festive work providing ambience to this false environment.
Just ten minutes were required from storage boxes to completed decor. Next year perhaps they can shave twenty or thirty seconds.