Anthropic banned me for "suspicious signals"

A paying Anthropic customer reports being banned from the Claude AI platform without specific explanation, citing a vague 'suspicious signals' notification. The user expresses frustration over the lack of transparency and the automated nature of the appeals process.
Why it matters
This highlights growing concerns regarding the lack of due process and transparency in AI platform account management for professional users.
I opened my inbox and there it was: Claude, gone. Not a warning. Not a rate limit. A revocation.
Anthropic's Safeguards Team sent me the same template a lot of people seem to be getting lately. "An internal investigation of suspicious signals associated with your account indicates a violation of our Usage Policy." No clause named. No example. No "here's what we think you did." Just: access revoked, appeal by logging back into claude.ai, regards.
I've been a paying Anthropic customer for years. Right now I'm on Claude Max at $200/month. This isn't a free-tier "maybe they thought I was a bot" story. This is a paid, daily-driver account -- the thing I use to actually ship work -- taken offline by a sentence that could mean anything.
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