Sounds like you've done a ton of research already! I think Attia is obviously a heavyweight and his 9 part series on cholesterol got me interested in all this in the first place. I have a ton of respect for what he says and it's interesting to see how the camps have aligned -- how Ivor Cummins / Feldman have very different views than Attia and some of the traditional lipidologists. I think the importance of LDL-P seems to be one of the more debated topics right now among some of the smarter minds.
I was on my mobile earlier so didn't have the link, but the Feldman talk that I liked most was this:
https://www.youtube.com/watch?v=jZu52duIqno 27:33 has a story about Jill that may be relate-able.
Also, there's a 4 day metabolic health summit conference going on close to us at the end of January. It's keto focused, but maybe it's something that would be of interest to you.
https://metabolichealthsummit.com/
I'll be attending. Maybe I'll see you there!