Tim,
It's still as safe as it was in 1967.
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That being said, it wouldn't stop me from using it, the RAS is a tough tool for alot of people to get used to and using the right blade (negative hook ?) helps alot. Sears either offers the $50 or a safety update kit, depending on models. Basically they are trying to cover there butt if anybody got hurt using it since there are so many RAS's around.
I use mine almost strictly just for dadoes and 90 degree cuts, and feel comfortable with it.
Good Luck,