It’s very sad when we don’t act the way we should. We are a holy people and should have good middos. Both observant and secular should treat each other respectfully even if they disagree. It’s one thing to calmly show you disagree with something. It’s another thing to have poor behavior. G-d doesn’t want us, on any side, to give in to angry impulses that are destructive. G-d wants us to do things properly. If we are against something, show it with proper behavior, people will receive the message better. G-d wants us to have unity, which means that we should try to respect each other even if disagreeing.
I recently went through that with a friend. She has different views than me and it upset me. We had an argument and it really bothered me. After a while, I calmed down and thought about it. I told myself, yes she thinks differently, but she still my fellow Jew and my friend. Now Baruch Hashem, we have better conversations