There's claims of some being upset after Grealish broke the UK's coronavirus lockdown laws early into the demands.
"Knowing Jack, he'll know he made a big mistake," said Agbonlahor to Sky Sports.
"I think he just thought to himself 'I could pop round' and see a friend.
"He knows deep down. He knows he's done wrong. He's been punished now and I think it's something that we should stop talking about and move on.
"He's apologised, he'll be doing something to try and help now and he'll have been the first one to take a wage cut.
"He's a very generous guy."