Unscientific

Linguistic prescriptivism is unscientific, and is criticized as such by those who are actual linguists.

To claim sex is binary requires ignoring intersex people, which is unscientific and purely ideological.

I.P. Pavlov proved the absolutely unscientific nature of the arguments of bourgeois physiologists and psychologists about the "soul" as an intangible carrier of mental phenomena.

The study was deemed unscientific.

Like the Cass Review, the U.S. Department of Health and Human Service's review of youth gender medicine is politically motivated and unscientific. Unlike with the Cass Review, this is blatantly obvious to everyone.