He wasn’t - he was deliberately saying something attention-grabbing so people would realize how unhealthy the typical restaurant fries are made. He knows a serving of six fries is unrealistic.

Of course, people are too closed-minded and insecure to be that honest with themselves about the facts they don’t want to hear — preferring instead to attack and ridicule others so they can overcompensate for their well-buried guilt over wanting to eat something they deep down know is very bad for them.