Subscribers are paying for them to pump out content on a weekly basis. That content is a mix of banter, in game stuff, and future plans. If you don't like it, you don't have to watch it. (Pretty sure you don't anyhow.) You can't really complain about its existence though.
I was about to say. Honestly, I'd rather have more information than less. I can also maintain a level of perspective over the things that they say. So what if they say it is cool? They think so, and I can take it at face value and withold judgement until it appears, or doesn't.
I was one of those suscribers for about three or four months, when I lost interest and determined that a project approaching 70 Mio. $ in crowdfunding money doesn't need any more support from me than a Super Hornet (After market though! Still, indirect support.), a Constellation and an AMD Mustang (Ebay...) provide - plus some 40$-50$ in ingame money to test out some store weapons. I just didn't have the time to read through all the Jump Points, but I'm a sucker for good concept art, so those were great in that respect. While I watched some their videos then on the side, I never got into them much.
Which might have been different, if they contained any information about "Star Citizen: The Game" in condensed form and were not "Star Citizen: The weekly TV shows about what our people do and say, when they have not much new to show, but need to keep the faithful believers of the Holy Church of the BDSSE entertained".
If you believe in the whole BDSSE narration, sure it's probably pretty entertaining. If you don't but are still interested in the game, watching an hour of hollow banter interspersed with a handful of new screenshots, a couple of seconds video of the game and two or three remarks of how cool <feature-that-is-far-out-at-the-current-development-pace> is going to be - but little tangible information on which exact approach they're taking (see "free-form" landings...) isn't all that fulfilling. It's certainly not very informative for me, because I can't and won't invest the time to filter out the actual information.