Of all of those the 3rd is the only one that I'm even slightly ok with but I feel like the incentives for these kitchens don't favor the customers and it's just a race to the bottom of using the cheapest/crappiest ingredients to make a quick buck. I don't believe there are any "delivery-only, multi-brand kitchens" in my city (yet) but there are a ton of real and fake brands being sold out of other kitchens and the results less than stellar. I think the chicken tenders I got from one them would have better if I had made frozen chicken tenders in the oven verses what I got.
I too was intrigued by the ghost kitchen idea when it first came out but so far from what I've seen it's the worst of all worlds. The quality sucks and they can easily just rebrand under a new fake name after burning their reputation. Again, the incentives are pretty gross when you think about it and I won't support it.