Not only has he befriended the Animatronics, even after his attempt to kill them, but people seem to actually like him for once.
So Scott making this ending so obscure shows it is very important to him. What makes the ending even more special is that there are no textures for the screen you are seeing, it's made up of individual squares.
The reason why that is heartwarming is when you realize FNAF World was meant to be the last game at the time, and it's a reflection on the death of the series and how it'll affect Scott and his family. Apparently, this ending has Scott and his two kids looking at a screen. What happens may seem scary at first as Freddy falls down endlessly, but after two minutes, it shows this screen. You Have Been Warned! Five Nights at Freddy's | Five Nights at Freddy's 3 | Five Nights at Freddy's 4 | Five Nights At Freddy's World | Five Nights at Freddy's: Sister Location | Freddy Fazbear's Pizzeria Simulator | Ultimate Custom Night In this, he makes it clear that he helped to create the original animatronics. Freddy Fazbears Pizzeria Simulator In the Insanity Ending, audio of Henry prior to the events of FFPS plays. While unconfirmed, it is theorized that Desk Man is Henry Emily. As this is a Heartwarming Moments page, spoilers will be left unmarked. Universe Ending is just a funny nod to the Universal Ending in FNAF World. FNAF World In FNAF World, the character Desk Man mysteriously appears various times.