For
It is a humanitarian duty to protect lives.
Against
It can strain resources and create cultural tensions.
Anonymous excerpts, translated where noted.
“Everyone has the moral responsibility to care for another human being.”
“yes, mostly ones who are refugees because of wars started by, directly or by proxy, my country”
“We don't have infinite resources.”
“That will eventually strain host countries as they need to provide food, shelter, medicine, education, and more for those people.”