This is completely useless. Who even uses `i` to enter insert mode? I am almost always using one of the following instead: - o: open new line below current li

This is completely useless. Who even uses `i` to enter insert mode? I am almost always using one of the following instead: - o: open new line below current line - O: open new line above current line - I: insert at beginning of current line - A: append to end of current line - cc: change current line - C: change to end of line - ci(: change in current parenthesis - ci": change in double quotes - ctX: change to character X - cfX: change to found character X Each of these will perform an action and leave you in insert mode after the action. Then using `.` you can repeat both the changing action and the insert, all in one keystroke. Obviously impossible to do if you only use `i` and `a`. Vim is not about toggling modes. Vim is an entire language to express text transformation, that you can then repeat with `.`, or undo with "micro commits" to your file, traversing the history back and forward in sensible chunks instead of the usual chaos of Ctrl-Z in other editors. (You can even branch your undo history!)