Unless it's knowledge about some life or death matter, like CPR or lifeguard training, and that you absolutely know the "truth" via not just theory but also experience, then yes you should voice it.
Otherwise, it's better not to burn the bridge. May be she has plans for progressive learning for her students, like she will make sure that they do this now and get it nailed, and then do more later.
Otherwise, it's better not to burn the bridge. May be she has plans for progressive learning for her students, like she will make sure that they do this now and get it nailed, and then do more later.