> The Internet drove the cost of production and distribution down to basically zero, so, as classical economics predicts, the amount of production exploded.

No, economics predicts that _use_ will explode if the cost is zero, but that's not a comment on production.

Pocket cameras have reduced the cost to record sexual abuse, but that's dwarfed by the ability to reproduce/ distribute those copies.

I don't think that means sexual abuse is more common. On every other metric we have, it appears sexual abuse is _less_ common.