For the attribution bar at the bottom of the figure, why not use the text() kwarg xycoords="figure points" or "figure pixels", which both enforces the semantic

For the attribution bar at the bottom of the figure, why not use the text() kwarg xycoords="figure points" or "figure pixels", which both enforces the semantic distinction between the axes (where the data goes) and the figure (where other stuff goes), and avoids having to guess and check the coordinates.