Chris Foresman at Ars is hopeful for its future:

As the standard begins to mature, will the technology begin to break out of its niche?

It's hard to say with absolute certainty, but it appears that the groundwork laid in 2012 may slowly start to pay off in 2013.

It’d be a nice change for Apple to be a successful early adopter in the field of fast I/O: FireWire never really made it mainstream. Thunderbolt is already beginning to appear on some PCs — perhaps Apple’s 2011 bet is starting to reap rewards.