Mmmm yeah. See before I was pretty sure the clean up was being done by hand but lately it seems as though it's shifted to using off the shelf automation and that's highly prone to weird artifacting like in that Dagobah clip a while back.

If the team has shrunk over time and the ability to do clean up frame by frame has been lost. I think it would be best to just upload high quality grindhouse-esque versions of the films and let the community work on the clean up as a whole. The more eyes that are on this the less likely errors would slip through.

But of course, that's just based on speculation. A lot of the sample clips have looked spectacular so hopefully it's all being put through a strenuous QA process.