They’d mostly be in their 90s by now - those who are still alive. Kind of late to do anything except rub the victims’ noses in it.
The purpose is to demonstrate that the camps weren’t Polish, it’s being done by the Polish government. I’m sympathetic to their concern, don’t know if this matters much.
Name them and shame them.
Many of them seem to have been born between 1890 and 1910. If you were an adult when you joined the SS in 1933, you can’t be around any more.