Most currently used keyboard layouts (like qwerty, azerty..) were made for one reason: to avoid jamming typewriters. They are old legacy that is clearly subopt

Most currently used keyboard layouts (like qwerty, azerty..) were made for one reason: to avoid jamming typewriters. They are old legacy that is clearly suboptimal, but no one wants to change it because it still works and the transition would be costly A bit like the imperial system