Big teams have flops aswell.
He was getting booed by his own fans. Then after a while his own team mates started giving him dirty looks everytime he made a mistake.
The fans, and Messi, took the hump because Gomes said in an interview that Ronaldo was the better player. Messi later claimed that Gomes had been passing Barca info to his mate Ronaldo. That was the reason that the atmosphere turned toxic for him at Barcelona
Messi rules the club and the fans turned on Gomes, which affected his form and his confidence. He is a top class player and if he can enjoy his football here he will ultimately prove to be a bigger success than Mina or Bernard.