Seeing Phil interact with the general public on his Day Off TM would be pretty interesting. As we all know he’s a huge internet tough guy, yet the Sidescrollers interview showed us that’s he’s a meek yes-man who’s bark is worse than his bite. Once no one else is around of course. Then he’s the toughest guy in the room.
But like many people have said, unless you look into the guy’s general day to day life no one is really going to be interested. There’s already a vast amount of content online which provide information about Phil’s internet history and lengthy fuck ups.
The issue is it'd just be Phil very briefly interacting with people in the customer service industry who have to be polite. Namely cashiers, waiters and delivery men. I imagine he's just meek and soft spoken, saying the bare minimum and not engaging in small talk. Which don't get me wrong, is funny from a socially awkward standpoint, but it's not exactly riveting material for a documentary. It'd basically be a higher quality version of some of the old vlogs Phil shot way back in the CT and Leanna days. Or at worse, it's B-roll to try and humanize Phil.
I mentioned before, but I don't think a day in the life of Phil would work because Phil is largely a hermit with no social interaction. His life is so boring we'll get a 40 minute prestream about someone checking his alarms because, in Phil's mind, it's such a big event that nobody can wrap their minds around without a detailed retelling.
I haven't seen the Boogie documentary so I might be misunderstanding, but a few other posters have mentioned there's a part where Boogie has to see some job placement lady to talk about his employment potential. Now that's something that I think has some potential, someone who isn't like...outright confrontational, but knows what they're talking about and can be blunt without coming off as overly aggressive for the camera, so it can't just be dismissed as detractor drama or the like. In a dream world, he'd get Phil sitting down with a financial planner. Or another dreamworld scenario is Phil having to sit down with a more successful streamer who has minimal idea of who he is and gives advice about growing his channel.
Basically, it needs engineered drama, otherwise, it's basically an extended pre-stream where the only thing of note is we'll get to see some curated footage of the snortfort and a random Seattle restaurant.