Honestly micro lithography and chip design in and of themselves have been moving towards only a few big players in the space. TSMC is more advanced than any other manufacturer, and NVIDIA’s chip designs at the top end just have no competition for raw performance and capability, even aside from their software/AI work. Don’t get me wrong, all the major chip manufacturers have their respective anticompetitive bullshit, but traditional silicon is such a hard space to even keep up in, never mind break into.