I have watched the full clip of BJ twice. Whilst the editing of the short clip appears unfair, the full 2min46 is really not good either.
His body language is appalling, he's the only one with his hands in the pockets of a too small suit jacket, (that is shallow to criticise I know, but he really looked a mess compared to all other member leaders) but most importantly, whilst he was greeted here and there and chatted, the overall impression I got was that he was largely cold shouldered. However, this impression I got could be from his body language which as I say, was not good.