Tyrphanax said:
Now, if you want to ignore the PT, it makes less sense, of course, outside of Obi-Wan wanting to train Luke earlier, and Owen disallowing contact out of fear for Luke's safety while Obi-Wan waited for the Force (or whatever) to bring them together at the right time.
The point I am making is why would he take him to his uncle and raise him himself. But as I said, this is not the problem within the scope of the first film.