more recent study found that a slight majority of people would prefer to remain in the simulation.

I believe lukeprog was talking about what people think before they get wireheaded. It's very probable that once one gets hooked to that machine, one changes ones mind -- based on new experience.

It's certainly true for rats which could not stop hitting the 'pleasure' button, and died of starvation.

This is also why people have that status quo bias -- no one wants to die of starving, even with 'pleasure' button.