Yes that would seem to be in order for such a topic....
I think it proper to say that censorship exists for many reasons.
Some are conspiratorial, while others are just matters of thought control and youth control.
But any student who desired could research the matter on their own, no reason to pave the way as such, and point out actual banned films that might be offensive. Some films and books are offensive to certain governments and powerful institutions. Freedom of speech and of arts is relative at best.
There are regimes that....
But no Fafner... Sci fi was used to put forth forbidden ideas and concepts.
That regimes and societies, some of which are now extinct, did not allow to be put forth. HG wells, Jules Verne, Star Trek.... ETc.
Some think that Star Trek was banned.