Because hers was the best. It's as simple as that. To sing and dance the way she did for 15 mins straight is insane. The performance is iconic & is the standard for other performers (which they will never beat)
Why do we make threads asking questions we already know the answer to?
This thread isn't posing a dumb non-debatable question based on numbers; he just asked "why" it's the biggest in recurrent views which is open to various opinions (and desperate attempts and excuses).
