Go into it with low expectations for realism and high expectations for entertainment. You will leave smiling.
Anyone who hated the previous films, literalists who feel "cheated" by the vision sequence, and people who find imprinting creepy (fair).
It understands that the audience has invested four films into these characters, and it rewards that investment with a thrilling, emotional, and surprisingly fun finale. The fake-out battle is a stroke of genius—allowing fans to have their violent cake and eat it too, without sacrificing the happy ending.