That is irrelevant. Anyone who is remotely competent to read any scientific article will recognize predatory journal with a quick glance. I doubt that predatory

That is irrelevant. Anyone who is remotely competent to read any scientific article will recognize predatory journal with a quick glance. I doubt that predatory articles have even a couple of reads. The problem is something else: those articles are used to beef up the CV of the "scientists" who are then promoted on their jobs over honest candidates. That may be rare in USA (but I am not sure) but it is rampant in developing countries (of that I am sure).