If people want to follow up or ask questions, they will catch you in the hallway afterwards. If I got to schedule eleven talks that were nothing but five minutes of ranting and raving, I would be really happy. It was a success. Here's how you could benefit. It was a failure, and here's why.
People always say X, but they're wrong.
Here's what is wrong with the Perl community. Why X was a mistake. Why X looks like a mistake, but isn't. Here's a useful technique that worked. Here's a technique I thought would be useful but didn't work.