User blog comment:ClariS/Why Xerath's Passive is Bad/@comment-9713132-20130318110601/@comment-4881935-20130319044631

Well, to be frank, he's not that immobile during the early game.

Granted, he doesn't have an escape, but that doesn't stop champion like Diana or Talon from taking mid lane even through they are like 100% commitment even though they don't have an escape.