Frankly, I don't find it terribly immersion-breaking to see, as someone put it, "DarthWinkertoss666 the Brutor" wearing Amarrian robes and a Gallentean tattoo". Some capsuleers (I tend to think of the nullseccers in particular, but a lot of empire dwellers too) are established to be batshit insane by the standards of baseliners or even the faction-loyal capsuleers. They are not prime examples of people attached to their roots. They are people who've taken the obscene wealth, lack of responsibility, and total detachment that can come with being a capsuleer, and ran with it, loosing their racial/bloodline/home identity in the process. Doing completely random, senseless, and taboo-breaking things is practically the hallmark of capsuleership.
With that said, I very much agree with Louella's early-on post that faction-related additions SHOULD be tied to racial space - even if only because it gives us more reason to undock, fly around, potentially be blown up, and all instead of just sitting in a station primping our 'toons.