Nobody should ever be prosecuted for viewing or reading anything, anywhere. Doing so is a hallmark of a de-facto police state. It's a fundamental liberty we have forgotten about as the frog has slowly boiled over the last 40 years.
On the other hand, I feel that creating and/or distributing CSAM should result in instant death for the creator.
[1] https://en.wikipedia.org/wiki/United_States_v._Solon
EDIT: Creating and/or distributing.
Bluetooth keystroke-injection in Android, Linux macOS and iOS:
https://news.ycombinator.com/item?id=38661182
These laws which criminalize viewing or reading things need to go now.
It is not acceptable to prosecute someone for the act of viewing a web site, regardless of it's content. Doing so is absolute totalitarianism.
In a free society, people should be able to browse any part of the Web without fear of punishment, it is fundamental. That includes exploring the darknet, one of the most interesting parts of the Web, without having to fear prosecution for unintentionally coming across child pornography.