Viewed like this, the word has nothing to do with brahminism.
From the en.wikipedia.org
Market brahminism has helped point the Indian economy towards the intangible, a direction already encouraged by its industrial shortcomings.
From the economist.com
Further, the Mauryan empire and the philosophy of the empire was not in tune with the spirit of the time because Aryanism and brahminism was very much there.
From the en.wikipedia.org
More examples
Brahmanism: the religious and social system of orthodox Hinduism
(brahminical) brahminic: of or relating to or characteristic of a brahmin