The problem is that every website does the same thing, and now it's impossible to use the internet anonymously. But actual spammers can spend a few bucks on IP

The problem is that every website does the same thing, and now it's impossible to use the internet anonymously. But actual spammers can spend a few bucks on IP rotating services. IP discrimination causes far more harm than good. Actually I don't think Tor disables javascript by default anymore, but even when I do disable it I still see ads.