It’s simple, Fuller knows Gillian. They’re friends. As much as we don’t know if she knows Orlando Jones for real, we do know Fuller and Gillian know each other very well. He also has spent a whole night at a table with Gillian and PM, and a whole night last year with both David and Gillian. I think he does know the status of their relationship. So even if he doesn’t like PM, which is possible, I think out of respect and care for Gillian, he wouldn’t have retweeted that if he knew it could hurt her. PM is very respected in this industry, his show is a big one, he’s winning all the awards, so I don’t think Fuller would risk to upset him either. It means you can scratch the first option.
Which leaves you with the last two, and now, it’s up to you…