Looks like that study has become a casualty of the cancel culture:
Not exactly cancelled. As noted in the article you linked to, the paper is still available here:
https://drive.google.com/file/…kNDkDmM3L4zNNY0X-Xw5/view
I think they wanted to make it clear they no longer approve of it. I do not think "cancel culture" means putting something elsewhere on the internet and then linking to it.