So it's ok to tell you the ending of a film you really wanted to see, but haven't had the chance to yet, because it's already been shown at the premier and everyone will be talking about it making it impossible to avoid the ending?
Some people really should stop and think before they post such nonsense.
And how do you know it's because he "couldn't be bothered to watch it"? It could be that he had to go and visit his sick daughter or help an old lady across the road!