Boomer brought up politics on my post then cried when her views weren’t agreed with

I posted a picture meme to Facebook about how the right can’t meme and this boomer mom of one of my friends responded to it about how Joe Biden is a disgrace to the US judiciary system so I decided to clap back and she very quickly didn’t want the conversation to continue and tried to play victim and say that because she knew me since I was like 12 I should stop lol

But I made it very clear that nothing of what I said was about her as a person; just her beliefs. Why do people attach themselves to their political beliefs and get so upset when challenged lol. Is there nothing more to your identity than who you vote for…