1. The websites I run get so little traffic it doesn't matter. They're mostly for my own entertainment / experimentation.
2. If they're allowing their IP address to be used for pricing scrapers then I consider that within the blurry definition of malicious anyway.
I don't mind if you disagree with me on point #2, and I grant that if I was running some super popular web service, maybe my tune would change.
I have four tiers of scanning paranoia, so I can ramp up and down if need be (I'm not sure if that's documented in GitHub though...)
