Red Oni said:
There's something we all have in common: a willing suspension of disbelief. It lets us temporarily shut off the parts of our brain that say "No, this cannot happen in the real world". But where do you draw the line and say "You're right, this is stupid"?
Lacking a middle answer I didn't get into the poll.
To be honest I feel that it's up to the creator of the fiction to create suspension of disbelief in the context of their work. If I stop and go "wow, that's stupid, and could never happen" they fail. The trick is to make things seem plausible, even when they are outrageous, when you see them.
To put things into perspective, "Star Wars" is utterly preposterous in pretty much every aspect of the series, ranging from the laser swords, to being able to get from point A to point B merely at "light speed", flaming explosions in space, and my personal favorite... armored vehicles that walk, and can be defeated by tripping them (lol). It does a good job of building it's unreality though so you can kind of take it as it comes, which is why it became such a popular universe, it just doesn't bother many people.
A good comparison would be perhaps looking at a good horror movie that endures to produce a series, as opposed to one that just generally blows, gets mocked, and dies in obscurity. A series of movies like say "Friday the 13th" managed to gradually build itself into a mythos where you could sort of believe in it's own context that you had this pretty much unkillable murder machine running around tearing people apart, by doing it well, and selling the character and enviroment so you could suspend disbelief to an extent, which is why they kept making those movies and Jason became an icon. Compared to some generic movie that might cover the same ground (supernatural urban legend slasher killing people) but just have people rolling their eyes and going "this is dumb" even if they otherwise might have liked "Friday the 13th" and tried this other movie hoping for more of the same. It all comes down to how well you sell it, rather than what it is per se. Directors, writers, and actors, all matter, not everyone can just put on a creature suit and sell the part like say Kane Hodder or Robert Englund.
It's also been my experience that people who have problems with unreality tend to stay away from fantasy, super heroes, etc... and to be honest I think this is why such things stay on the fringes and appear in cycles, the everyman tends to keep things relatively grounded which is why we're always going to see dozens of sitcoms and cop dramas for every space opera or monster fighting show on TV.