There's this myth that automated spam detection is hard because spammers are all very clever masters of disguise.

No. Spammers are stupid as a shoe. They have dog shit for brains.

Automated spam detection is hard because the line between spam and "legitimate" marketing activity is a fiction.

@danslimmon having worked for an anti-spam outfit that got acquired by a network security company with researchers who thought machine learning count tackle this, the right distinction is signal vs noise and the line between those exists in the mind of the intended recipient
@danslimmon s/count tackle/could tackle/