Well, you’re definitely onto something. The Hindus are using this as a tool to enforce hierarchies, and that’s bad. Actually vegetarianism was famously employed by the Nazis too basically to assert purity and wash their hands of other moral issues. I’m unable to get on board with a right to eat meat, considering that animal didn’t and can’t consent to be eaten and we don’t need to eat animals, but I respect your outlook and understand where you’re coming from.
Don’t think talking about it is necessary rude, though if you’re gloating about being descended from Franklin Pierce or something you’re obviously a dickbag.
I do think it’s interesting to trace back. And it doesn’t really need to be about your history but just getting a window into history. This is like my great x10 grandfather and he got owned in the war of the tudors https://www.thepeerage.com/p45477.htm#i454761