Neoreactionaries have stated how they differ from other reactionaries, and if someone doesn’t have those distinguishing features they are not neoreactionary. And the distinguishing features of neoreaction are a combination of modern science and transitional wisdom.
The reason that so many NRs are indistinguishable from traditional reactionaries is down to a failure to make the theory work. NRs can’t solve the problem of adapting social mores to rapid technological change by means of planning, because that would be some kind of progressivism. They cant appeal to their favoured mechanism of organic adaptation without slowing down technological change, which adds up to technopphobic conservatism. So they are left just abandoning the adaptation question, and bolting traditional mores onto modern societies and hoping for the best. But favouring unmodified traditional mores is paleo reaction.