Rob occasionally makes calls out to the Roboteers to support good (if nerdy) causes, such as supporting a little girl being picked on for having a Star Wars thermos.
One week, Rob was defeated by an extremely horrible rapefic featuring Sen and Noh-Face from Spirited Away. He didn't run it because it was so bad. Fortunately, the roboteers - even Abraxas - vowed to not pester him to run it.
The farewell articles Rob ran. While it's clear that he was set on leaving, the massive fan support made it feel really hard not to stay.