Reactionist used in a sentence

Reactionist in a sentence as an adjective

The FTC might be appropriate now, but we need to stop being so reactionist.

Sorry, but I find that to be an immature, reactionist post - how is it racist if it's about nationality and legla status?

Counterpoint would be that "WPA2 is fine" - but still, for HN I don't understand how a reactionist non-technical comment is at the top of an article about new crypto specs.

His support was a matter of reactionist ideology - it didn't matter if he was honest, competent, or sincere, only that he served as the vessel for the right wing zeitgeist.