I have quite thick hairs that dull the blade pretty quickly. I can stretch a blade into 3 shaves, but then I have to be super careful or I get razor burns.
First of all, I try to offer her alternative and better ways of doing things. I selfhost a number of services that we both use and she also knows that she can come to me for advice and technical help.
I also got her a hardware key that is used together with a software password manager, to keep her passwords safe.
We also have a rule when it comes to social media. If she wants to post a picture of me, she needs to ask permission first.
Not American, but I imagine that news reporting uses loaded terms and partly drives the division between republicans and democrats. I assume that in reality most people are levelheaded people that don't hate or fear their neighbors.