How 'Last Jedi' Changed 'Force Awakens' Set-Ups

Star Wars: The Force Awakens set up a lot of questions fans thought would be answered in The Last Jedi.
However, The Last Jedi did not answer those questions.
It seemed as if Rian Johnson had no plans to answer any Force Awakens questions.
Johnson made Emperor Snoke a 'red herring.'
Fans wondered who Rey's parents were. The Force Awakens made fans believe it was someone important.
It turns out they were nobodies.
How will J.J.