It's been interesting how kids have had hardly any problems watching it, but adults have more trouble. This happened way back even with Jabberwocky and Time Bandits.
“One reason we lasted so long is that we usually played two people who were very much in love. As we were realistic actors, we became those two people. So we had a divertissement: I had an affair with him, and he with me.”
“In Tim's films, more than most, if you miss the tone, you don't get the film.”