Why not? While it’s true that some cults make such jokes to poison the well, this doesn’t appear to be the case here. And it doesn’t bother me either.
Sure, there’s pain in my past, but it kept me safe a couple of times already. There were some silver linings at the end of the day.
If you’re interested in how those highly controlling groups work, I can recommend this book:
This is another good read on a similar subject:
The first one is worth reading IMHO, understanding how manipulation works can help you keep yourself and your close family safe.