The Walking Dead TV Universe has not followed the comic source material closely, straying from the original plot as the series progressed. This meant controversial changes, such as Carl Grimes dying in the Saviors War and Judith Grimes living past infancy. While viewers can argue Carl should have lived over his sister, that doesn't change the direction the franchise took.
Source:https://www.cbr.com/rick-michonne-walking-dead-spinoff-needs-judith/