Like I said, it would cause an uproar. One of the things that made PHP so attractive in the beginning was the ease of use - and converting form variables to local variables automatically was part of that. With hindsight, of course, it can be seen that it was a dumb idea on the part of the PHP developers.
I have been with one or two hosts that have the directive set to false, but I'm sure that they are few and far between.
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