I think there is no need toprove with a video x)

https://gyazo.com/2b654ff5b040ca7c0b7bf714c311413a

maybe he quit the round just in the end and he joined again to delete his stats for the round ? it happened once to me when BF4 crashed, i had to join again the server and my previous stats was delete and the new stats added to the BF4 report..