I have to disagree with your logic as far as the library bans go and for that matter any such restriction similar to that such as residency restrictions etc... Just because someone has multiple child victims doesn't mean they pose a risk at a library or any public place. About 95% of all sexual abuse cases are perpetrated by someone related to the victim or a close family friend of the victim or of their family and the abuse happens in either the victims home or home of the close friend or other such private place. It is highly unlikely for someone to be sexually abused in a public place such as a library and despite how the media trumps things up it is also rare for people/children to be abducted from such places. Given those facts it makes little sense to banish former sex offenders from such a valuable resource as a library, or from housing, or jobs, or anything else that would allow them to better themselves and learn and assimilate back into the society that they are released into and expected to become upstanding assets in. The only way such a ban would make sense is if it targeted actual predators with a history of stocking their victims in public places. The New Mexico Supreme Court recently declared outright library bans unconstitutional. The majority of restrictions targeting former offenders are really all about continuing to punish a group of disfavored citizens and doing so under the guise of a civil regulatory scheme to protect the public. If the goal really is to return these people to society and for them to become functional assets to society it just doesn't make sense to return them to society and then banish them from society and everything that would allow them to become productive law abiding citizens. Of course their should be some restrictions and laws and yes those laws and restrictions should be proportional to the offense committed and be specific to the details of the particular individual and their crime. But as things stand now the vast majority of legislation targeting former sex offenders is counterproductive to their means and creates such a level of instability in these peoples lives and such a level of misinformation to the public about former offenders that it makes things less safe for the public at large and the former offenders and their families.