For
It allows people to belong to more than one culture.
Against
It can create divided loyalty and legal confusion.
Anonymous excerpts, translated where noted.
“I am from two cultures, but I will always be Canadian.”
“The biggest thing dual citizenship gives you is real options.”
“The idea is to prevent a conflict of loyalties -- you're Japanese, or you're not”
“How can you be loyal to your country when you have 2 passports?”