There's nothing particularly unexpected there to be honest. Discussion on the changes, in the SL forums, have already highlighted several potential problems with the changes. Frankly the whole thing says "PR exercise" to me, rather than any attempt to address the issues properly without making a pigs breakfast of it.
I'm pretty much indifferent because my parcel in SL is Adult, and more significantly, it's blocked to anyone who's not in the appropriate group.
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