How to easily defeat any argument for God

[Dmitry1983]

That was Simon Moon. I happen to disagree

So there is no objective morality, every atheist has his own opinion.

Nope.

And earth is flat.

For you, it is impossible. You are a religious thug.

It is impossible to be nice to atheists that killed 100 million people

Flat out wrong.

https://en.wikipedia.org/wiki/Demographics_of_atheism

However, other earlier global studies have indicated that global atheism may be in decline due to irreligious countries having the lowest birth rates in the world and religious countries having higher birth rates in general.