My kill-file grows daily, but much like spammers, the posting source
keeps mutating and as soon as one mole gets whacked another pops out
of a nearby hole.

I have rules of fame and rules of shame. The killfile is pretty big, yes,
but I also have "positive rules", that highlight in red the posts from the
people I always enjoy reading. Granted it is a lot of black and precious few
red lines, but then again, quality counts ;-)
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José Herculano