That’s fair. From what I can see in the text, the dad isn’t actually refuting anything the child says, just offering their (bad) POV. I’m not sure if that means he’s open to discussion, but he’s definitely not the aggressor, and to me that’s a sign that he might be reasoned with if you meet his basic level of civility.

You’re right though, I don’t really know their dynamic. Hell, this might be playful dinner banter for all I know

I think your dad might have been objecting more to your language and tone, than to what you were actually saying. Not that your dad isn’t a tad naive with his taken liberties, but you’d win his ear more if you talked to him with a little bit of mutual respect.

Always keep in mind: this is the guy who fed you when you couldn’t feed yourself