Buddha was not an atheist.
The belief is the other half of this thing. Your benefits of practice will be very limited if there is no belief in it.
It will be mechanical Buddhism which isnt really Buddhism. It’s just someone making the motions.
There is deep meaning there and I have a feeling that you in particular are closer to it than you think.
Call God an alien if you want. I think many simply take issue with the names and symbols. The word God itself evokes controversy in many.