Anon #1: I have read on another thread that poker guy’s script just iterates through numbers to ‘guess’ article ids – the inference being that the bot is not bothering to read your blog to find article ids.
Anon #2: You may have solved the problem of spam comments appearing on your site, but by moderating comments, you still have to read each of the spambot’s attempted comments in your inbox. That’s what I’d like to avoid.