The Brazilian is now in his fifth season at Anfield, where he has become a star player, since joining from Inter Milan in 2012.
"I know the kid, I know he's not a bad person, I know he doesn't want to cause a war to come out," Gerrard told BT Sport.
"But at the end of the day he's just signed a five-year deal, the club have been superb to him and made him the player he is.
"You remember he was struggling at Inter. We gave him the chance, we
built this player up. The least he can do is give the club another
Gerrard has painted Barca as the bad guys, threatening to end their
interest in the player if he doesn’t push through a move during this
"The problem here are Barcelona," he added. "Because they will be
saying to Coutinho's representatives: 'It's now or never. If he doesn't
come now, we're never coming back for him ever again.'
"This kid who has come from South America has always had a dream of
playing for Barcelona, and he's panicking thinking that if he doesn't do
it now it'll never happen again.
"So they're piling the pressure on and
that's why Philippe's reacted."