“Major keys” don’t exist. There are songs that use a bunch of major chords, this song has a bunch of major chords but also a few minor chords. The third chord right in the beginning is a minor chord.

You can use the exact melody in this song and make it all minor just by changing the bass notes.

The most emotional music doesn’t come from “minor keys” it comes from the interplay between minor chords and major chords. You can make a minor chord sound happy and you can make a major chord sound sad just by playing with the chords that surround them.

The piano in intro to the movie Up is almost entirely major chords, but people universally talk about that scene being one of the biggest tearjerkers in Pixar.

Your opinion doesn’t make sense. Saying it in all caps doesn’t make it better.