You're oversimplifying a real problem. Would you "authenticate" your own toolbar somehow? That's probably excess effort for a temporary 15 minute ban. Would you

You're oversimplifying a real problem. Would you "authenticate" your own toolbar somehow? That's probably excess effort for a temporary 15 minute ban. Would you rate limit it? Well that's a lost cause if I ever saw one; bots can rate limit themselves too. It's not an easy problem to solve.