I wouldn't know personally, but imo, I think that there really isn't an exact profession made for any class. Mainly due to the fact that all profs can help the class one way or another. I mean, sure a lot of people would say tailoring is the best for, say, mages since they'd be able to make their own armor and all, but it's not like they couldn't be blacksmiths either.
Perhaps when that was said (about blacksmithing), it was leaning toward the ability to make our own weapons (as I haven't seen the original thread)? I mean, it'd definitely be nice to be able to make my own maces and all.
Personally, I chose Engineering (for the healing goggles) and alchemy (so I can make my own pots). It's all really what you want to do (or have).