Everyone Clicks 'I Agree.' No One Reads Them: I Fine-Tuned a 4B Model with Tinker to Catch Unfair Terms of Service in 30 Seconds

A 9,000-word contract scanned in 30 seconds. How I fine-tuned Qwen 4B with Tinker on the LexGLUE UNFAIR-ToS benchmark to catch arbitration waivers, unilateral changes, and liability caps.