A recent OP asked people of faith, “What makes your faith ‘right’ and all other faiths ‘wrong’? Considering all of the various religions out there (not to mention the over 30,000 Christian denominations who all claim to be following the same bible), this is a legitimate question. This variety of worldviews tells us they cannot all be correct. But it doesn’t tell us that none of these is correct or that there is no God.
Given that atheism is just one more world view among many, the question to atheists is, “What makes your worldview right and all others wrong?