The 90s definitely were a different time period, they outright did an Animaniacs version of a biblical story with a choir singing about Jesus, the Warners saying his name out loud and the Warners calling him the king and at the very end they say merry christmas. No cartoon or movie or whatever would EVER do this circa 2021, complete suicide.
I'm an atheist and I like the short because of the music visuals and sheer non-PC ballsiness of it. Plus the wholesome intention behind it. Much rather have this than some leftist woke bullshit.
Also scientists aren't sure just what the star of bethlehem was and we will probably never know, but a supernova seems to be the most likely option. Whatever it was it wasn't supernatural.
https://www.space.com/14036-christmas-star-bethlehem-comet-planet-theories.html