This should answer your question. Albeit satirically but the context is very solid [1]. Basically like most forms of engineering, making processors is hard. [1

This should answer your question. Albeit satirically but the context is very solid [1]. Basically like most forms of engineering, making processors is hard. [1] https://www.usenix.org/system/files/1309_14-17_mickens.pdf https://www.usenix.org/system/files/1309_14-17_mickens.pdf