Just for context as a fellow interested noob: That book in particular is more like a manifesto than a survey, so it's not really intended to be 100% convincing,

Just for context as a fellow interested noob: That book in particular is more like a manifesto than a survey, so it's not really intended to be 100% convincing, IMO. And AFAICT most of that book is about using the philosophy of the multiverse, not about justifying the physics -- so you definitely shouldn't feel bad coming away with that conclusion. An infinite multiverse is, to say the least, controversial! For recommendations, assuming the linked articles themselves aren't up for grabs, I really liked The Rigor of Angels for a more historical-philosophical view on quantum physics, and how it compares to its predecessors. I also constantly reccommend this other Quanta article from a few years back, which is shorter and more cohesive than these: https://www.quantamagazine.org/what-is-a-particle-20201112/ https://www.quantamagazine.org/what-is-a-particle-20201112/ Sadly, I think this whole field has an inherent level where it breaks down for non-experts, epistemologically speaking (how appropriate!). Watching Hossenfelder's engaging YouTube videos has taught me one thing above all else: I have no hope of critically engaging with the fine details of modern theories, only the metaphors and stories that surround the math.