"It is constant for the guy. People jump on the bandwagon and I am sure they will continue to do so," he said.
"I've had the chance to work with Luis every day and see what type of character he is. He's had a lot of bad press recently.
"There won't be too many players involved in as many incidents as him in the box.
"I understand the South American and European players' mentality in trying to win a penalty with skill.
"It was interesting to note in the last game against Stoke that we are happy in this country for someone to clearly stamp on a player's chest and all we talk about is him diving in the box, which I find incredible."