The second referee also noticed that. It's a fun read: https://www.mdpi.com/2073-4441/13/6/849/review_report https://www.mdpi.com/2073-4441/13/6/849/review_repo

The second referee also noticed that. It's a fun read: https://www.mdpi.com/2073-4441/13/6/849/review_report https://www.mdpi.com/2073-4441/13/6/849/review_report (report number 2) Most of the reports are quite critical (although I can't tell if referee 4 is being sarcastic or not). I don't understand how this paper got published.