Gosh. I wasn't going to read this thread because not having anything to do with the care system in England (my MIL with Alzheimer's is cared for by her daughter in South Africa in her (daughter's) home, with nursing help, paid for out of my MIL's own money. But I'm glad I have read it because who knows what may wait down the line for us.
I'd like to suggest that anyone who works with the elderly is made to read Atul Gawande's book "Being Mortal: Illness, Medicine and What Matters in the End" - he describes an ideal - in America - the type of care home as described upwards in this link that was closed down - people flourished when they were allowed to garden, keep birds, set their own routines. In short, he found, people want "more from life" at every age. He references the work of Keren Brown Wilson, one of the originators of the concept of "Assisted Living". And the key word should be "home".
I can actually add my tuppence worth, and I know there is already a "litany" on here - my elderly neighbour, now deceased, had carers come to her house 3 times a day. I could see her front door from my kitchen window and I was always amazed at how (most not all of them) they flew in and out of there and wondered how much they could possibly accomplish in that time. (I spent longer at my daughter's when I was cat sitting). And I was the one who went and gently coaxed "Doreen" back inside when she came to the door wearing nothing but her incontinence pad and knickers in between those visits. Often on freezing cold days. So I would add my voice to those who say "The care in the community system isn't working".
I'd like to ask you a question as yourself, as a daughter, what do you recommend that people look out for when choosing a care home for their elderly relatives (let's forget about CQC for the moment).