Yeah I had heard that last bit about the original timeline and its inhabitants all getting shafted elsewhere. Ironically it was also about our Lucca's mother too:
Here's the post. I only skimmed it in an effort to avoid spoilers.

Does anything I know about Cross weaken its storyline like me knowing about Lavos and where it came from weakened CT's story somewhat? If nothing else, CC sounds like it's a bit less straightforward so knowing one huge fact doesn't kinda blow the whole thing wide open. And I don't even think i know one big fact.