>>718784641
the 'older look' is being created by the noise all over the image which is added intentionally, but making the linework look like some ugly wobbly rubbish doesn't make it look old it makes it look like AI melt

In old hand drawn cels you can clearly see that the lines were (initially) drawn straight and clean. The edges of the lines can be damaged in production or may be rough because of the medium, but the original clean strokes are obvious. In the OP image the lines don't look like they've been damaged, they look like they were drawn by Michael J Fox