No, some atheists may allow for existence of an uncreated creator God. It's just that this hypothesis is so inconclusive, unprovable and uninteresting that most

No, some atheists may allow for existence of an uncreated creator God. It's just that this hypothesis is so inconclusive, unprovable and uninteresting that most atheists don't opt to pursue it (or disprove it for that matter). Assume there is a God or even The God - then what? We've no way of knowing anything about it.