Because even when they (say that they) uphold those practices, leaks still occur. There are a number of intermediary companies which do the ID verification on behalf of adult sites, who are thus becoming aggregators of huge amounts of personal IDs. This is a privacy bomb waiting to happen, it's not a matter of if but when.

Time and again it has been proven that the bigger problem is not the security, it's the collection.

> like you have a bone to pick than an interest in effective policy or security

I have a bone to pick with privacy (if you re referring to my comment history, thanks for snooping, but that action itself shows a certain preconception on your part)