Well.. i think is possible, maybe they are a Team.. not just a single person.
But anyway.. is very hard to make many works in a week.
Maybe your item is unique, so the reviewer leave it to another one.
10 days? although impressive, they have obviously taken a lot to review this item
I think what she wanted to point out was that in the period of 6 days all the authors on FD together only submitted 4 files. Or am I wrong?