Question

what makes hinduism beliefs particularly its polytheistic nature complex for other people

Answer 1

Is hinduism a polytheistic belief or is it a belief that accept the many aspects of brahman as gods or is it something else??

Answer 2

"Polytheism" the term which is the belief in numerous Gods.

So Hindu people are not polytheists as most of them believe that all the Gods and Goddesses are the ultimate reflection of One ultimate power Brahmin .

Other aspect of polytheism is the numerous unknown Gods have same status and worshipped concurrently.

So from different theory we can understand that Hindu people often worship one particular ultimate power, Brahmin . So its not applicable to tell Hindus polytheists .