I actually agree with her overall approach and I find some of her blog posts helpful but the books I read... not really.
I do think there's a place for authors/pages that basically say ditch the sleep guilt and let them sleep in your bed if it works for you, but it's also not v helpful for that to be the only input. Some suggestions for what to do when it's not working would also be helpful. Unfortunately it seems to be you either get reassurance about feeding to sleep/bedsharing but mass guilt trips about any form of intervention or you get useful workable plans for intervention with mass guilt trips about "bad habits"
Just fuck off and somebody write one in the middle? Maybe I should but I'm no good at the sleep training part 
Gentle parenting I've had my puzzles with for 14 years now but I've eventually realised that it's all wildly inconsistent because the only thing gentle parents agree on is that gentle parenting = not authoritarian parenting, and therefore lots of it will wax lyrical about why authoritarian parenting (obedience, discipline, control) is bad but not actually provide much insight about what to do instead. And if they do tell you what to do instead it can vary so enormously you can get really confused if you mistakenly think it's one cohesive thing. Also, a lot wang on about how they are soooo special and different to the mainstream but... "mainstream" is also anti authoritarian parenting now as well and has been for ages - it's recognised that authoritative parenting is the ideal type.
I still have the same general principles that first attracted me to gentle parenting but I'm done with wishy washy unhelpful and elitist guides to it... I just look for guides to parenting approaches that seem to align whether or not they call themselves "gentle" - it's become a bit of a buzzword now anyway, and a lot of the "gentle parenting" accounts on social media are totally bog standard old rules and punishment except you call it "natural consequences" and that makes it nice 
Interestingly, her latest book explores the issue of what to do when you're burned out/know what you want to do but can't keep it up and I think it's actually trying to follow books like hers that made me feel like that
It's a really interesting topic but unfortunately from reading the sample, I think it has the same issue and doesn't really address the issue that it wants to, which is a shame, because I think she has really good intentions/principles in general but just lacks something in communicating them. And actually the biggest thing that helped me feel less burned out and "can't keep up" was being less perfectionist about "methods" and understanding that it doesn't actually matter that much what exact wording you use and just generally being a bit nicer to myself and ditching the guilt, also, learning how and when to have boundaries.
She's not the only one either. I was listening to an interview recently with Tina Payne Bryson and she was laughing at people who get really intently into methods and think you have to do everything perfectly, but I follow her on FB and every week for the last forever it feels like, she's been posting "mistake Mondays" which show you all the parenting mistakes you're making, and it makes me feel stabby. Less guilt inducing please.