I've never actually watched any of Bennet the Sage's videos, but he seems to ruffle a few feathers in high-ish places - one tweet I noticed was from a $200 Riding Bean supporter, promising to give them nothing if this Bennet guy was involved.
While I did end up backing this one, I would confess to not being the biggest fan of the GSC anime. It's amazing to look at, and historically interesting (I feel it was the last hurrah for crazy budget OVAs) but I think only the second episode really caught what I liked about the manga - something about the other two eps just didn't quite cut it.