This should already be the case with the Meta key (which some platforms will insist on calling "Win"), shouldn't it? I think the model of having a key which is

This should already be the case with the Meta key (which some platforms will insist on calling "Win"), shouldn't it? I think the model of having a key which is only ever used for workspace management, and never by the applications themselves, is so obviously correct that the MacOS Command key actively baffles me.