A little late to discussion about what her worst singles are, but this comment pretty much describes GGW, it's really an odd track, part of it sounds borderline parodic and lazy, and not like a Madonna track (it gives me sorta "Revolver" vibes in how out of catalog it feels and more as if Madonna just layed her vocals on some random demo at the time), yet it's a solafide undeniable bop and one of the few tracks I go back to from the album, perfect track for parties. As for bad Madonna singles, there aren't many of them luckily, but the MDNA project was kinda a lazy mess and includes two of her worst singles (and among her worst songs) to date: "Give Me All Your Luvin" and "Turn Up the Radio", as for the former it was such a miss, featuring M.I.A. I would have expected something completely different and more forward-thinking than a reductive take on Toni Basil's "Mickey"... I am also not a big fan of "Jump", but don't mind it so much as it was the fourth single of COADF, but would have preferred "Like it or Not" tbh. "Love Profusion" also feels like an odd choice, it's a bit generic and filler-ish even on the album, not a bad song per se but single material? I love the "American Life" album (one of her best albums to date imho), but the album imagery of the album and single choices actually were misleading, the album is much warmer than what it comes across and holding on a track like "Nothing Fails" which could have been a big moment for her was a mistake tbh, I know it eventually became a single but then the project was already considered a commercial failure and it didn't get the proper single treatment it should have.