That is, until about 30 years ago.
5 seconds sound clip from the Elf (2003) movie soundboard.
You can hear this line at 00:01:49 in the Blu-ray version of the movie.
Quote context
[...]
- They tried using gnomes and trolls... but the gnomes drank too much.
- And the trolls weren't toilet trained.
- No human being has ever set foot in Santa's workshop.
- That is, until about 30 years ago.
- And as you may have guessed, that's where our story begins.
- Here we are. We're just going to make you feel so comfortable.
- There you are. It's time to go to sleep.
[...]