I've always wondered why BTW (her 4th biggest hit WW) has only 139M views on YouTube, while Applause
has 186M views, Alejandro has 215M views, Telephone has 211M views and even Judas has 196M views.
People didn't like the video, they preferred watching the audio video (which almost had 100M views) before it was deleted in order to get people to watch the video which obviously backfired
It was also one of her least eventful and most forgettable videos. All those videos you mentioned (Applause, Alejandro, Judas, Telephone) are much better in quality.
1.) the audio had over 100M views before being deleted - the first audio EVER to reach that milestone
2.) the official video is too long and boring the GP is simply not here for it