I think audience tastes just changed. Vin Diesel tried to copy the indestructible, macho hero route and couldn't maintain it. Pitch Black was interesting because of the concept and well as his character being more asshole than badass. Chronicles of Riddick fell flat because it made him seem flawless and unstoppable. I think people want to see their heroes work for it and maybe bleed in the process. Lethal Weapon and Predator are two good 80's examples of movies that did that and are still very popular today.

whomod said: I generally don't like it when people decide to play by the rules against people who don't play by the rules.
It tends to put you immediately at a disadvantage and IMO is a sign of true weakness.
This is true both in politics and on the internet."

Our Friendly Neighborhood Ray-man said: "no, the doctor's right. besides, he has seniority."