The timeframe is 3 weeks until suspension, then another 2 weeks until deletion. At the time this user was affected, it was 3 weeks until suspension, then 3 days until deletion, but that period was raised to 2 weeks due to feedback that 3 days wasn't enough.
I'm not saying that excuses things, but it's far from "at the first sign of trouble".
I'm not saying that excuses things, but it's far from "at the first sign of trouble".