Reactionary movements can be paradoxically revolutionary in their means, aspirations and intended outcomes, and sticking to the academic definition of conservat

Reactionary movements can be paradoxically revolutionary in their means, aspirations and intended outcomes, and sticking to the academic definition of conservatism, the word doesn't accurately describe all of them. But yes, in general, I agree with your point, in a colloquial sense, the Venn diagram is usually a circle.