It is about time that someone with adequate size go after not just spammers, but the fools that create and sell the tools used.
Hackers is a whole other ball of wax, but spammers at least have specific goal that can be tampered with. Money. The way to restrain these scammers is to make spamming and helping spammers "bad business".
As I spend a lot of time fighting among other spammers and building blocking tools, it seems close to insanity to merely keep spending engineering time on building more and more spam-blocking tools, rather than hitting the large and obvious ones where it really hurts them. Their pocket books.
Same goes for tools such as crawlers running around doing automated site registrations, automated "article changers" and "article submitters", and similar junk.
And yes, you are right.. As I am sitting here watching spam logs fly by in window, the rates have definitely increased as of late.