He addresses the reason for this in the video. I makes some sense but there might be better way to achieve these goals.
I mean he says it right before the proprietary apologism, the problem is pointing people in the direction of the project by name only for them to find malware ridden clones. Well. The problem here isn't the software being cloned, the problem is the same name being used by the attackers.
You make my own point sir. They're not going to care about copyright either. So may as well make this proper FLOSS.