Although I refer to this above, I do like your comment, and I would like to add the historical context for scientism. It was originally proposed by Hayek, who is one of the fundamental pillars of Austrian economics economics. A school which I am a massive fan, and has heavily influenced my thoughts.

He was basically concerned that a group of rulers were trying to use science to dominate everybody else. I agree with Hayek and his concerns.

The problem is that it has now morphed into a term that can basically mean many things. While a bit of a rat hole, wikipedia does have a great treatment of the term and its journey.

When you use a term like this, which by it's very nature is pejorative, and you use it without regard for its definition, it is not only anti-intellectualism, but also poor communication. It turns into communication that is set up to foster divisions rather than learning.