I really hope they change their minds on this. Honestly, if someone wants to socialize they will, if someone doesn't they won't. It is that simple, to think not having a LFD will force socialize is false, spamming in general isn't socializing. Further more even currently most people don't talk in the Flashpoint, they do there job and continue on.
I've seen the same amount of socializing in this as I have WoW. It all comes from what you put forth.
At the moment I don't think this is an urgent problem though, but when leveling players a on single server become more rare to the point they can never get a flashpoint done then it will need to be addressed.