The point remains that this is the same thing we've always done, that's always been at the heart of fantasy - imagining how the fantastic impacts our perception of a normal world. How does the fantastic nature of Elves affect their communities? They live high up in the trees, for example. How do orcs and goblins build communities given their traits? It's all the same exercise and is entirely core to the idea of fantasy gaming.
Asking the question - how would this trait affect the world, communities, etc? - is a perfectly valid question. But I don't think your reason for asking the question was as valid.
If the question is due to genuine difficulty in conceptualizing something and looking for help to do so, its been answered, in spades. Solutions mundane and magical, basic and complex have been offered, most requiring nothing more than things that already existed. Many of these issues were tackled before with other fantastic situations. How do you imprison a wizard? How do you imprison a master thief? Is a stockade, a hood or a metal mask, all real things that have seen real use in law enforcement, unreasonable measures?
And why couldn't it be a source of adventure when an eladrin murderer teleports his way out of a podunk village's jail that wasn't prepared for fey step and escapes, after inserting a PC appropriate adventure hook on the way out of town?
Maybe an Eladrin community doesn't have ladders up to their guard towers, that would be cool, a nice detail that would help make the community interesting and unique. Maybe their tavern entertainment involves teleporting games. Maybe the other races refuse to allow them on the Blood Bowl pitch.
Either you are asking because you are genuinely interested in the discussion, which you don't seem to be, you are simply dismissive of everything; or you are asking because you want to rail against some other perceived injustice of the new edition and don't care a whit what any other poster has to say about the "problem".
