Old Guy and Angry Man, I've offered a solution, yet neither if you accepted  

I offered a zoom call, without video, so we can talk these things out. You both decided not to go on it.

I tried...

I look for some very basic things in an argument

1. State your source

2. Look at differing views to make sure you understand both sides 

3. Stop with name calling, labels, and things that basically show anger and resentment

That's not too much to look for