It does require legal change but not the one you're implying. I love how the conversation moved from the initial outrage of "they're scanning my private images!" to "ok, they are scanning my images but I need to have a legal recourse to get my accounts back in case I'm banned improperly".

There is no good excuse for this kind of spying apparatus, period. If anything, having a mandated formal process for reinstating banned accounts will make the scanning more acceptable, which it shouldn't be. "You see, yes, we're regularly checking out your dick pics but it's all good, we have a process in place and if we tag an image as CP, when it's not, you'll eventually be exonerated. No harm done"