Do you think there is something inherently wrong with scientific journals' scanning systems or have we stepped in the era of computer-generated plagiarism?
Related readings
http://www.nature.com/news/publishers-withdraw-more-than-120-gibberish-papers-1.14763
Fake paper generator software:
https://pdos.csail.mit.edu/archive/scigen/
SCIgen paper detection website:
http://scigendetection.imag.fr/main.php