This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
It’s not unclear at all. Journals are not bastions of science any longer. They are a money making scheme for already wealthy assholes. Actual scientists and researchers have been bemoaning how shitty journals are for decades.
i believe that’s called vanity publishing