There is a response from a marketing guy from GoToMeeting in the comments of this article. I couldn't readily find a way to link to the comment, so I'll post it here for anyone that doesn't want to go hunting: "Hi, this is Andrew from the GoToMeeting search marketing team. I just posted over on the MeetingBurner blog as well. We do not use competitive names in search ads, but we do follow the common industry practice…
One of the screenshots in the blog post shows an ad with a title saying "Meeting Burner" (with a space) with a "MeetingBurner" (no space) keyword. It isn't dynamic keyword insertion; it was an ad they wrote specifically for this keyword.