Emphasis mine.Transport travelers. A wish can lift one creature per caster level from anywhere on any plane and place those creatures anywhere else on any plane regardless of local conditions. An unwilling target gets a Will save to negate the effect, and spell resistance (if any) applies.
Teleport block anyone? Sure, it's a 25,000 gp teleport (instead of free), but it works. Especially since it avoids the words "teleport" and "conjuration (teleportation)" and, in fact, is one of the few spells in the universal spell school.