I guess it's a compliment to scribd, unless of course they were planning to release a german version in the near future, in which case they would have a new direct competitor.
Our English teacher used to always say that imitation is the greatest form of flattery. Congrats scribd.
A nice-to-have would be if YCombinator eventually offers localization services so that its startups could expand quickly into foreign markets, perhaps even at launch.