What's weird to me is that they do the exact opposite for SEO spam/scams. They will (maybe) put a penalty on one domain, but they will not touch your other doma

What's weird to me is that they do the exact opposite for SEO spam/scams. They will (maybe) put a penalty on one domain, but they will not touch your other domains. And as soon as you stop doing the spam/scam thing and pinky-promise to not do it again, even the original penalty will be lifted.