A few things about this Netflix deal. Their own PR could only say it was a 'Megawatt' deal (meaningless fluff) and didn't attach any numbers to it. I notice they had to wheel out useful Honorary Professor and Purveyor of bullshit Jonathan Shalit to say 'Oooh I dunno could be billions.' so that the their PR could then quote him to shape the press headlines and make a big splash.
I think Netflix have simply got first look at anything they actually manage to make. Maybe there's a signing pre-payment to fund their first documentary? If there's something planned around Megxit/Finding Freedom, Netflix will get eyeballs from that.
Netflix have amazingly good audience tracking so they will know immediately if the Harkles documentaries work for their membership and won't be influenced by their fluffy PR.
I'm very unimpressed by the lack of focus in the announcement, which seems to be mental health, racism, sexism, cartoons, women in history and inspirational family-friendly programming. Just missing a cuddly toy and the kitchen sink. No sign of any of the things that Prince Harry could credibly pitch which would be woven around Veterans / Invictus / Sentebale / Royal History.
I don't see the Harkles making money from this because they have zero ability to control costs and work with a team. By the time Megz has flown by private jet to Cannes for 'research purposes' a few times, they'll soon run through the advance. Meanwhile the supposed Netflix multimillionaires are posting merching PR for Rothys shoes, so something doesn't add up.