They all posted on the thread. I was in a 3-hour lab class, and happened to notice when they all commented after me. After that, it only took about 20 minutes

They all posted on the thread. I was in a 3-hour lab class, and happened to notice when they all commented after me. After that, it only took about 20 minutes to check their posting times and write this up. The guy was really not subtle about it.