Is it the case that common ISAs are too low-level? Or are contemporary CPUs too complex? Are more recent ISAs, e.g. RISC-V, better at preserving high-level stru

Is it the case that common ISAs are too low-level? Or are contemporary CPUs too complex? Are more recent ISAs, e.g. RISC-V, better at preserving high-level structure? In any case I guess at some point one has to drop the high-level stuff and get real.