In an interview with Complex, Burrell said he wasn't surprised to see the recent spate of damning videos.
"It's just typical Mariah. Mariah is clear: when she doesn't wanna do something, she doesn't do it. She's performing with lacklustre and no f**ks given, and it's taking away her star," he said.
"Working with an artist like Mariah, who's not a mover first, it's always a challenge to get them to think physically and not just vocally. You always have to keep in mind that they're a singer first. The priority is not teaching them 100 counts of 8, or endless routines. I wanted to give Mariah a modern push to revamp her, give her a fresher, more modern feel, make her more aware of her body and her lines, and not look like her feet hurt when she's walking," he continued.
Burrell blamed Carey's team for "not guiding and directing" the multi-million-selling star.
"It felt like they were so new at their jobs, and had no direction. When you're green, you're playing things by trial and error, and there were a lot of errors. I was very vocal about things that weren't right. When you try to take a shortcut and you don't know the clues, you're bound to get f**ked up or screwed, because you don't have the experience of running a tour or a billion-dollar empire."
See for yourself just how much Carey's onstage moves have changed since her 90s heyday in the side-by-side clip below:
