The problem is the word God conflates to many things. Hinduism has like 1000 words for God with subtle different meanings.
I think the whole discussion here can be summed up as:
Deep down we are all Atman/the self.
Individual atman is an illusion thus we are all Paramatman/the supreme self.
Paramatman=Brahman/ the formless abesolute
The Jiva when hubristic wants to imagine itself to be Ishvara/the Creator God.
The Jiva trys to equate Atman=Brahman to Jiva=Ishvara
Also people who may be genuinly trying to express Atman==Brahman to people who don't really understand these concepts at all, will confuse them and make their Jiva think it is Ishvara. And it will also make most other people think they sound crazy because it seems as if their Jiva is declaring that it is Ishvara.