You are right about the market responding to provide proper controls.
But as you well know, this is not about protecting children.
That is but thinly veiled cover for their real intent...
moralistic nannystate enforcement of restrictions on freedom to "sin."
The "holier than thous" don't want OTHER, free men and women, to choose what they view over their own computer, or TV, or at their local bookstores either.
And they want to make america "morally righteous again" by doing it via the aegis of laws and interpretations thereof that violate the bill of rights.
government run amouk.
When religion joins with political power, you get the inquisition... something a group of conservatives here a week or so back... actually defended.
disgusting.
Take a few slow, deep breaths. The libertinization of the laws that we see nowadays is of very recent vintage. Prior to that, we didn't have "inquisitions" or "religious police" or any of those types of hobgoblins, just laws preserving basic order.