Rakitic is the guy who went to party day after the Liverpool humiliation, taking pictures and smiling. Sure, enjoy your life but try to stay out of pictures and public eye when you were embarassed fucking one day ago... Looks like he gave a shit about the game and Barca. Little common sense wouldn't kill.
What's wrong having a life outside your job, what's wrong celebrating other team success specially if that's your friends team. What's wrong if he posted it in social media, it's not like you celebrate the win of the team that beat you