Then it's a problem right? That everyone is shirk? Eg if you told me the above verses and I did not convert then you say that I will go to hell. It sounds harsh to me.
If you do me harm, It's upto me whether I forgive you or seek revenge.
It also depends on the nature of the harm or abuse.
People who create gods besides The Creator, worship them, ask them and pray to them, and spend their entire lives doing that. While God still gives them provision, food, shelter, family, love, health.
Is that not a crime against God?
What will you do if you were to create some people, gave them everything, favor upon favor, and in the end they rejected you, followed some one other than you, and rejected all your favors and even your existence?
They have entire lives till their last breath to seek, research, and learn the truth. If they still don't and choose to die in shirk, then that's what God has for them.
I or any other do not have any opinion on this, because the crime is against God, not me or anyone else. We can only pray for their guidance and enlightenment.
It's good to have good manners and be friendly not because of the ulterior motive of conversion but because it's the right thing to do.
Good manners are not required for conversion. If that is the intent then a Muslim is already a failure because our deeds are judged by our intent, not what we did but what was the intention behind it.
We are required to act and behave as if we can see God.
If not then behave as knowing He is watching us.
To be just, kind, honest, compassionate, and forgiving.
I am talking about a Muslim being a proper Muslim, will automatically attract people to Islam without involving in preaching. There is no better person to know or deal with in life or business than a proper Muslim.