An analogy is useful only insofar as the relevant similarities hold. Critics dispute the significance of responsibility, parental relationships, and differences between disconnecting support and other actions. A careful discussion identifies which premise the case challenges and which additional premises would be needed for a broader conclusion.
To evaluate the analogy, list the features doing the argumentative work before adding new variations. Involuntary connection, bodily burden, duration, and the relationship between the parties may support different reasons. An objection must explain why a changed feature alters the obligation, rather than simply noting that the stories differ. This approach keeps the discussion focused on premises and avoids presenting one imagined rescue as a complete answer to every question about pregnancy.