There is nothing wrong with that.
Its good to know what you do and do not like.
Obviously he has watched some foreign films and formed an opinion.
That doesnt make him close minded.
But lets play the devils advocate then.
Rude,
Do you like eating poo?
Maybe you havent eaten enough poo from enough people
Have you eaten every poo from every person on the planet?
No? Then how can you be sure you dont like poo. Maybe you are being close minded.
There are people in countries that actually do eat it.
Traditional medicine
In the past, people have eaten poop as a traditional medicine to treat various ailments. For example, the Chinese used dried human feces to treat abdominal issues. In modern times, some people have consumed poop as a "poo tea".
Cultic practices
Some religious cults have practiced eating the feces of their leader as a form of worship.
Paraphilia
Coprophilia is a paraphilia, or sexual interest, in feces, which can include the practice of eating poop, also known as coprophagia.
Food
Some foods, like Urumiit, a delicacy in Inuit cuisine, are made from animal feces. Other foods, like Kopi luwak, insect tea, and Black Ivory Coffee, are also made from animal feces.
Open yourself to the culture of the world.
Try new things and experience the joys that others feel while eating poo.
Come on. Nothing wrong with trying something new right? Cant form an opinion unless you try it.
Gotta eat poo, man.