Not taking sides on this one because I don’t live in San Francisco and haven’t had the chance to look into these claims.
But on the issue of domestic and family violence, where I live in Australia it has become a major political issue, and there have been significant changes to law and policy to try and reduce the risks.
In this case, we are dealing with a relatively small number of people selling a product intended to facilitate what is recognised in most jurisdictions as a serious crime. As such, putting more effort into finding and prosecuting (or suing) these people seems like a worthwhile investment - but because it’s a global market there needs to be global cooperation to achieve much.