your parent comment just wanted to get a shot of serotonin by chiming and showing off that they've read (or are merely aware of) the book
No
Incredibly different? It defies credulity?
Yes. The degree to which this presents a different experience is one I would not have found credible beforehand.
I'll continue to exercise my disbelief in alternate narratives for this (rightfully) convicted felon then.
YCSE isn't an "alternative narrative" in the sense you're probably thinking. It makes no attempt to redeem Holmes. It shows starkly just how manipulative she is, in a way nothing else I've read or watched about her has done.