The constant struggle to control what other people can consume. Outside of things like CSAM (which I have zero desire to view) I don’t need a nanny telling me what I can view
Also, anyone who feels entitled to impose on others for a cause this mild clearly has an underdeveloped respect for personal liberty and isn't going to stop there.
Let's lift it out of insinuation territory, then: I think you have an underdeveloped sense of respect for personal liberty and I think that if you won a victory on this front it would embolden you to continue chipping away at other liberties to further your circle of control. People love crusading against vices because the feeling of moral authority is heady and addictive. One hit is never enough.
The concept of liberty is how we rein in this dark tendency.
I don't disagree. I won't pretend to know how I would act if limiting porn consumption was actually implemented. But ignoring the thousands of people who self-report an ironically similar addictive experience you just described, but for porn, is dismissive and self-centered.