Did they change the audio from the originally posted video? I just watched it and I didn't hear him claim to have developed anything he was showing.
If you're trying to back up a friend, you're being way to obvious. This is definitely not overblown, taking credit for other people's work should be career changing and in the downwards direction.
*Edit: the change was really subtle too, go to 0:20 on the original
And no, I don't have an agenda. I don't know this guy, but I know a lynch mob when I see one, and I don't like siding with the pitchforks.