Of course, this is pure nonsense.  Maistre hated scientists most of all?  He was a philosopher of science and wrote a serious critique of the materialism of Bacon, so to say that he hated scientists is absurd.  Meanwhile, no one with an iota of understanding about modern American conservatism could confuse its views with anything Maistre said, and you can be fairly sure that mainstream conservatism today has no relationship with his thought given that most mainstream American conservatives, to their discredit, find Maistre to be horrible.  Maistre was, like Burke, a fierce opponent of the Revolution, but unlike Burke he was also a leading Counter-Enlightenment figure.  Many, if not most, mainstream conservatives today prefer to define themselves ultimately as classical liberals, and they find most of European conservatism to be more offensive to them than they do American liberalism or, if they are pressed, they will treat them as two sides of the same coin. 

My earlier Eunomia posts on Maistre are here and here.