I read it the opposite. It was the uncommon names which were duplicated at a high rate. Overall, there were less of the common names one would expect.
Not to worry, we got this. btw: You are in the war as well. We need you too. This is the World War. Not nations vs nations. Truth vs evil.
Could the ATT building have had various explosive devices placed inside the building beforehand? Like on the first floor and underground?