Intro (sorry, this comes with back story): My parents have been married since the last 90s and I'm the oldest of 3. As a kid there's a lot the family doesn't tell you but you start to see the cracks the older you get. For the longest time I thought my dad was cold but he got meaner and more self-centered as we got older.

The problems were always there but covid is what kicked it all off when he walked out of his job and lied to our whole immediate family. This put a lot of stress on my mom to pay the bills on her own. Fast forward a few years and there was an incident with child services in our home. Ultimately it was unfounded but the words said taken by my father the action that caused the case, damaged our relationships with all of us. It quickly became a 'its me against everyone else' mindset on his end which was verbally stated many times. My parents almost got divorced and he straight up told her that she should divorce him if she was going to defend her child. Unfortunately, finances played a major part and they stayed together. The scar is still pretty deep to this day despite everyone but my dad moving forward. We still carry the pain of what happened but it's like a knife that he uses on us to twist into the wound when things get rough.

Anyways, we've always had a dark sense of humor as a family and I found a funny post (that I didn't fully read beforehand) that I sent to him. A police department was being funny and sarcastic about national ex-spouse day, saying if they had a warrant to let us know and we'll give them a complimentary stay at the department. I read the part about it being an ex, not ex-spouse and didn't notice until he said something after I sent it.

I genuinely didn't realize but because of his temper and how he reacts always when someone tries to call him out on a taboo topic, I don't even know how to. I thought he would laugh and I read the post wrong. AITAH for sending it or is he correct in acting that way?

TLDR: Dad with a history of narcissistic, verbal abuse that almost divorced is mad because I mistakenly sent a posting joking about ex-spouses.