A lot of them come to seek jobs in Malaysia. After all, Malaysia has a huge need for low-skilled labour.
Apparently only 30 to 40% of them were Rohingya; the rest of them were Bangladeshis seeking their fortune.
They never found it.
Unfortunately, many of them met their ends at transitory migrant camps at the border between Malaysia and Thailand. These were suspected human trafficking camps, about 139 of them.
My nationality - and the consequent opportunities that it brings - are an accident of birth and not of my choosing, but it does make me stop and wonder how misfortunate some groups of people can be.