'self' and 'this'

Whats your opinion on "self" or "this" in the programming languages. I think it is retarted.

you always see people doing stuff like this (in psudeo-py):

class blah
     def bloo(self, x, y)
          self.x = x
          self.y = y
               pass

when it could be:

class blah
     def bloo (x, y)
         pass


picture unrelated; this is a text board.

In Java, using the keyword 'this' is actually resmarted because it lets the internal variable and its parameter be named the same thing. This is great if you use an IDE like Eclipse where you can mouse over the function and read the parameters.