In vim I wouldn’t know where to find that markdown-table-align exists nor how to write a macro (and I used vim for much longer than emacs). In emacs I just had

In vim I wouldn’t know where to find that markdown-table-align exists nor how to write a macro (and I used vim for much longer than emacs). In emacs I just had to notice that pressing tab in markdown mode aligned tables (among other things), then press C-h k <TAB> to see what function that key invokes, jump to the code for it and start reading.