That's beside my point. Rebranding is common, regardless of whether artists flop. Gaga has rebranded her image numerous times, as have countless other artists. It's completely fine.
As for the whole "changing her name" thing, she's barely even doing that: she's just removing the vertical stroke through the 'S'. That's it.
Just look at Lana, she had about 4 names before she became Lana Del Rey
Yeah, if you look at the other three judges' promo photos, you'll see they were personalized to the artist but they're not their official brands or logos:
These are all kind of messy, tbh.
They did Josh even more wrong than they did Kesha. "Grew Up on Irish music"