CrunchinJelly
formerly cjelly
If you were aware of the big twist you would have been able to appreciated other elements - subtle hints at the reality of the situation, the quality of the writing.
The surprise of the "twist" shouldn't be the only element a quality entertainment product is hinged on.
I didn't say the twist is the only thing, however, part of the fun of those films is then watching them after the fact and noticing other elements.