Any idea can be brought into the classroom if the point is to inquire into its structure, history, influence and so forth. But no idea belongs in the classroom if the point of introducing it is to recruit your students for the political agenda it may be thought to imply.
“I tell people this: It's hard to write about walking in the park, but it's easy to write about a breakup.”
“It seems like they never say anything bad about actors, they just pump them up.”