Look, I know he already died in the last movie, but his Force Ghost will still help us out. Not with beating Jabba the Hutt but, you know, maybe some other stuff. What's the big deal.
Jabba got choked out by a lib wine mom.
Yoda failed to understand the forces that threatened the galaxy during the run up to the Empire.
Not a good analogy, and furthermore I recommend they read a book.