My impression (from way outside, I'm not an entrepreneur at all) is that so much business is VC-funded, which effectively means driven by finance people. Everyone who isn't a VC is still chasing a VC, so VC culture ends up defining business culture.
People, especially left-brained ones like programmers and finance nerds have this really bad tendency to see problems in terms of their preferred solutions. The old "if all you have is a hammer..." thing. So finance people like to turn everything into a money problem that they can solve using spreadsheets and Jupyter notebooks or whatever else it is they use.
Their ideal state is that "business" is just some board game where the money is all on the board already and you're just playing the rules to move it onto your square.
...which is of course completely antithetical to any kind of business that actually matters to real humans. If you want to actually solve a human problem, make peoples' lives better and maybe make a little money in the process, Silicon Valley business culture is increasingly useless to you.