He joins a small club.
Gerard Depardieu did the same, I believe it was on an AF flight, perhaps he was expressing the fact that he was pissed off with the airline's lousy service.
There was a Zim cabinet 'minister' who whilst travelling in first class, opened the curtain into Andrew Mitchell class and took a slash. Some thought it was a good opportunity for the now virtually defunct airline to coin a new slogan :
If you're pissed off with other airlines, fly Air Zimbabwe and get pissed on.