"RethinkDB is interesting" - absolutely

"RethinkDB is amazing" - TBD

I don't even think Slava would call RethinkDB "amazing" yet. I have no idea how to make a database, but I know there's a lot of work - and even more trial and error - that goes into making one "amazing."

This is certainly a big step for RethinkDB. But I'd be careful to put Petabytes of data across 200 nodes sharded 500 ways each.