The original question is very philosophical. Both games, Cliffhanger and Last Action Hero, are utter shite, but which one is better?
I guess that in the end it's a contest between Schwarzenegger and Stallone. If both guys were hanging from a ledge, like Prince of Persia here in this pic:
...and there was a huge pile of shite waiting in the bottom of the pit, then who would fall down first, Cliffhanger or Last Action Hero?