Probationary employment is guaranteed for the most part here in Aus. Takes the risk out somewhat for both parties, especially considering it's harder to fire.
Well, there is a probationary period here (US) too but it doesn't make much sense employing 20 developers just to figure out which one you want to join full time.
not necessarily. I completely expect the initial 30-60 days to be in that transitional/probationary timeframe (could also mean I'm not among the `best programmers`).