I've seen it in theoretical physics as well. There are 'schools of thought', for example at my alma mater most of the professors doing theoretical particle physics are phenomenologists and tend to regard people doing say string theory as cranks.

This means it's very hard for those people to get hired, and there is also the effect of them not wanting to apply to a university that doesn't have a strong tradition or a strong group in their subfield.

Nearly all the soft sciences, including economics.