The point here is that SystemD’s natural behavior is to send SIGTERM then wait an eternity.
Those “service XY is shutting down (5sec/2min)” messages you sometimes get on shutdown are coming from SystemD not waiting for 3 seconds like the meme suggests, but waiting for minutes before giving up and switching over to SIGKILL instead.
The point here is that SystemD’s natural behavior is to send SIGTERM then wait an eternity.
Those “service XY is shutting down (5sec/2min)” messages you sometimes get on shutdown are coming from SystemD not waiting for 3 seconds like the meme suggests, but waiting for minutes before giving up and switching over to SIGKILL instead.