If a company is approached by any spooky three-letter agency, the higher-ups of that company could possibly interpret that as a validation that they've made it 'big' -- and furthermore, they could see in that offer a security that three-letter agencies then have an interest in seeing the company continue to scale up and succeed (because of limited funds, three-lettered agencies can't just go merrily creating tools that work properly with the 'next facebook' every other 9 months... and furthermore, there's no knowing if they'll come across resistance when they solicit 'direct access' to the next company. Also, NSA would have just loved it if China and Russia was a big user of Facebook... so I can even imagine them doing something subtle to try to make that a reality).
Sadly, I do not see this trend ending anytime soon.