atheist-community...yeah, I see where this is heading. 
1.
The small change that some people give to the church really makes no big difference. Even if I'm devoted to worshiping what doesn't exist, if the consequences of my worship are good and beneficial to others, that's no waste at all.
Persecution happens because there's stupid people on this planet. Organized one - not so much anymore. And if you somehow claim that atheists don't persecute you're living in a dream world.
Christianity didn't reach it's 300th birthday before it start persecuting other faiths, after all it being persecuted by the romans you think they would be different - nope they just started persecuting others and believing they were the persecuted ones anytime someone stands up to them. And it's not just the money- it's the believing in a lie willingly which is evil, and the consequences it has on your decisions which negatively impact the world around you.
for example: apocalyptic premillennialists tend not to give a rats about pollution, because the apocalypse is coming any day now!
2. Christian, Jewish, Muslim - they all worship one God, the basics of those faiths are 99,99% the same. Same God, different name, different customs.
you're ignoring buddhism, hinduism, confucianism, norse, etc.
3. Point 3 is utter bollocks. I believe in X, therefore I now must believe in anything. 
no, it's not utter bollocks, and you phrased the proposition incorrectly. The proposition is
"I believe in X without evidence, therefore I must also believe in A,B,C,D,E without evidence because they're equally valid to X".
3 is pointing out your hypocracy - out of all kinds of things with no evidence you're cherrypicking one to believe in, and then applying common sense to the others and dismissing them.
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and it does matter what you call something, because words have meaning - that is why you get so many christians trying to redefine atheism as a religion to attempt to put it on equal validity footing with christianity.
atheism is NOT a religion, it is the lack thereof