Jesus was trying to present value of a life of vulnerability in which one would have practical and needed experience of the same. It would be a life without baggage, so one would learn to accept others and their culture instead of always carrying along our own country's assumptions and calling them the Gospel.
...And of course they'll get their milk from us, because Gooch's milk in the village really can't be trusted. I do hope, Henry, the vicarage drains are all right if Martin is to go there, because the French are rather vague about drains.'
'Yes, but darling, they aren't bringing their drains with them'...
On either side of a potentially violent conflict, an opportunity exists to exercise compassion and diminish fear based on recognition of each other's humanity. Without such recognition, fear fueled by uninformed assumptions, cultural prejudice, desperation to meet basic human needs, or the panicked uncertainty of the moment explodes into violence.