It depends on your moral system. Equalizing costs across markets almost certainly reduces the number of people who can be served by a medication.
If you are getting cheap healthcare because these people are basically subsidizing it for you, and they’re not even getting anything, then you’re the leech.
These people laughing at Americans having to go bankrupt to afford $1000 medicine that they only have to pay $10 for in their country: fuck em. How I wish we could distribute the costs evenly…