I was going to link that exact video. That video does a good job of explaining the problem with simplifying more complicated chords. Yes, you can get rid of the

I was going to link that exact video. That video does a good job of explaining the problem with simplifying more complicated chords. Yes, you can get rid of the "extra" bits and the song is still recognizable. But those extra elements are what give a song character, and simplifying it down to just a handful of chords causes a song to sound bland and generic.