If someone reports something (s)he thinks is an error, even if the wording seems insulting, there are usually something important in the report. Don't attack what you think is wrong about the report, try to figure out whats the root cause behind it, neglecting the insults.
Something happen and the outcome was less satisfactory for at least one of the involved users. Why was that so, how can thing be changed? In this situation there are known errors that occur fairly often. A serious company would ensure that such errors would not impact normal operation, especially if those errors has an impact on their customers.
The uploader is the customer in this situation, and as such the likelihood of this uploader returning back to fix the situation or reupload the same or a similar picture at a later time drops very fast when the communication is harsh and unfriendly.
Sorry but going for a flamewar against the messenger in a situation like this is a loosers game. Forget mistakes, forget insults, find solutions!
John