So they mention at the end that:
"She tried to quit a few years ago by starting buprenorphine. But it made her feel terrible.
Back then, injectable buprenorphine was only available in large, monthly doses. Taking that amount all at once could make someone addicted to fentanyl feel unbearably sick'
This doesn't make much sense to me cause isnt the depot injection theyre talking about here literally the exact same thing as what they're hailing as new technology; from years ago.