Beetlejuice the Musical: How to Fix the Ending

I've really been enjoying Beetlejuice: The Musical recently. However, the ending seems to contradict the message and themes of the rest of the show. So, let's talk about that! I'd love to hear what other people think.
I know it's been ages since I've used this account, and I can't promise I'll continue uploading a lot, but I'm back for now so let's see how this goes.