That person was definitely special to say the least
assuming that they didn't just drop the auction after winning and not pay...
For reference,
here are some recent (completed) auctions for the BD and DVD.
I guess it's totally realistic for some people to buy it second hand at a ridiculous price, watch it, maybe burn it, then make their money back through resale
I assume that's how a lot of limited edition items make their way around when they're going this high...