Just using the linguistics of the word, "Atheists" are definitively people who do not believe in a theos, ie: a g/God. It would be nonsensical to call a polytheist or monotheist an atheist.
> When you truly understand that your arguments against those religions go against Christianity too...
Christianity is relatively unique[1] in the sense that it claims exclusivity to salvation through Jesus Christ. As it relates to your argument, this tenant allows Christians to make claims to spiritual supremacy. Interreligious comparisons are moot at that point.
[1] Conditioning that statement here, I can't keep up with all the world's religions
I don’t think you should be so confident that everyone else sees it this way.
If what everyone else thinks is a factor, than the majority of the world is not atheist.
>This makes me wonder do atheists even realize how unscientific and illogical they are? Are they constantly thinking that I'm the one that's illogical? Are humans so unaware of their own biases that we can never ever truly determine what is real and what isn't?
You're an atheist too, towards other religions like Islam, Hinduism etc. When you truly understand that your arguments against those religions go against Christianity too, you will understand atheists.