The list seems deliberately focussed on learning practical topics and not the foundations. I think that's what makes it interesting - there are any number of places recommending you start by learning linear algebra, stats, probability...

Personally I like to learn the foundations but there's genuinely room for useful knowledge of SOTA techniques even without the foundations. To be honest I feel that any amount of learning about computer architecture and vector fields is unhelpful if you are trying to understand good eval benchmarks or prompt engineering techniques.