Russia has the Elbrus VLIW architecture, which is quite good with computations common in military applications (it has roots in specialized DSPs), so they are c

Russia has the Elbrus VLIW architecture, which is quite good with computations common in military applications (it has roots in specialized DSPs), so they are certainly not "stupid". But the problem is that developing an ISA is a relatively small part, most of investment and value lies in compiler and software infrastructure which can work with it. One of the biggest issues with Elbrus is the crappy proprietary compiler, which can not fully unlock the hardware potential. They also have to compile and debug Linux distributions and packets for thim themselves in-house, which adds to costs as well.