Isn't the only reason it couldn't be improved the threat of other companies with patents? I thought that was usually the underlying culprit for missing capabili

Isn't the only reason it couldn't be improved the threat of other companies with patents? I thought that was usually the underlying culprit for missing capability. I wonder what the best ISA we could create would be in a universe where there were no rent-seekers looking to recoup their R&D investment by limiting what a new ISA could contain.