The Lion King
The folks in the kingdom really seem to trust Scar's word, because nobody fought him when he said that he "accidentally" killed his brother. But then, Simba reveals that Scar did kill Mufasa, and everyone is quick to believe that as well! It's all just a bit too easy to have your word trusted in this universe.
Ocean's 8
It seems like it was a little too easy for Debbie Ocean to be let out back into the world. After all, she was a world-class criminal. How was she let go without even a parole officer? Do the directors mean to say that no one is keeping tabs on the heist master? Sure, okay.