Maybe it's your contributions generating a lot of interest, or the warmth and charm of your personality 
I delete the bot posts if I spot them though, and there are many!
Always the same tactics. Exhuming ancient posts with inane nonsense and a link to some tiger penis medication or some sht like that.
That's a good one pudding. I'm flattered

The nothing like the warmth and charm of my doom and gloom oil pressure-related posts. Must be oil pump hysteria

driving this extra forum traffic

Would it be difficult or expensive to implement some sort of bot-check thing like cloud flare or recaptcha when logging in? I'm not too knowledgeable on the subject.