To be fair, the adult trio only asked for Rozemyne herself to pass all her classes before going to the library. Adding the other first-years on top of that was Wilfried's idea, he never consulted anyone about it. But yeah, Sylvester wants to get more influence through trends and the like, but he still has the mentality of the Aub of a small duchy, and he's scared of the consequences of dealing with the big players if they get involved.