I find it interesting that competitors of Amazon, Apple, Facebook, and Google are so vocal. For the most part, the Gang of Four just focuses on building better products and offering better services. Sure, Larry Page complains about Facebook’s walled garden. Apple pulled Google’s maps from iOS 6 before a highly public retreat.
Still, I don’t read too much about Jeff Bezos’ thoughts on “unfair” business practices. Zuck doesn’t seem to be bitching about Twitter’s more restricted APIs.
Generally speaking, it seems like complaining is a sign of weakness–that you’re not as relevant as you once were. Instead of spending a bunch of time, money, and effort kicking the other guy, why not focus on what your company can do better?