HN is also not really a very attractive target. The only thing you can do is post spam, and that's pretty low-value in terms of actual monetary value to the abu

HN is also not really a very attractive target. The only thing you can do is post spam, and that's pretty low-value in terms of actual monetary value to the abuser, and tools to deal with that have been around for decades as you say. This is very different from many other sites where the potential to make a buck is much more pronounced and direct.