It can be hidden from our official apps (but turned off by commenting out a single line in the UI code[0]). That content is still accessible via the LBRY sdk[1], and it is not possible for the company to remove it from the network.
It would be blocked by all LBRY INC apps. Someone would have to build an app to view it either in a country where it is not illegal, or they'd be breaking the law.