It's definitely not forgotten? What makes you think that? Commonly used in Ireland, the UK, Australia, Canada, parts of the US.

> they're probably due for some self-reflection on what offends their sensibilities.

Or maybe what they're willing to accept?

You are going on a very weird crusade in this thread. Literally have never heard this in my life used as any kind of slur and here you are arguing with everyone about it.