He wasn't the only one to express that sentiment, I used the plural form for a reason
your sentence doesnt imply plural at all, using "them" doesnt denote plural, because first and foremost, we were talking about a singular user of unknown gender (we dont know if its a dude, a girl, a dog, an alligator, whatever) until you showed up and said "them", which is singular when you dont know (nor are seeing) the person that is being talked about (and thus can't use he or she), not just used for plural
then again, gotta work on those skills mah dude
and ~ then again, its the OP handling's fault, if the OP was properly managed, people wouldnt come up with the same questions and stuff, and IF even with a properly managed OP they do, sure, blame them all you want