If you run into issues with PB, you can always run pbsvc.exe which is in your BF4 install folder. Just open that, run pbsvc, and do Test Services. It will usually fix the weird issues.
Given technical constraints, we cannot see this player's chat logs. If you have screenshots that you can share, it would be helpful.
With that said, this player has an abundance of reports for rule breaking and was given a 7 day temp ban.
And yet we did not have the additional footage provided to BF4DB. We take keeping our servers clean very seriously but based on the evidence we had at the time of this report (3 months ago) there was no action to be taken.
Folks slip through the cracks every now and then. Your update on BF4DB's...