I see

Freedom of religion is extremely notional in much of the world. How do you propose that 99.99% of Rohingya would realistically have the freedom to explore and choose a religion other than their own? Not to mention that their ethnicity is only really debated by the majority who have traditionally treated them like dirt, and are now driving them out.

Not to mention that Judaism already sets a fine precedent for the massive gray area between ethnicity and religion, just for a familiar example.