I’m not saying zed necessarily should be the one to do this, but in regards to "why not git, jj.."; if we don’t explore the fringes, how do we know if we are at

I’m not saying zed necessarily should be the one to do this, but in regards to "why not git, jj.."; if we don’t explore the fringes, how do we know if we are at local or global optimum with current solutions?