Norwich City boss Alex Neil says Canaries fans had "every right" to be critical after last weekend's 5-0 Championship thrashing by Brighton.
Norwich are fourth in the table after Premier League relegation last term.
"I don't really know how vicious (fan reaction has) been. I'm from the west of Scotland so I can understand how vicious people can be," said Neil.
"People want their club to do well and if they don't think that they've got every right to voice their opinion."
He continued to BBC Radio Norfolk: "I've got no issues with that, I never have done.