The discussion centers around the hypothetical scenario of erasing someone's children before they were born and the implications of such an action. Participants explore the philosophical and practical aspects of this idea, questioning the possibility of retroactive erasure and the mechanisms required for time travel. There is a consensus that without a feasible method for time travel, the concept remains purely speculative. Some contributors express sympathy for the emotional struggles of parenting, while others criticize the notion as absurd or disturbing. The conversation touches on the complexities of identity and existence, emphasizing that if one were to erase their children, it would fundamentally alter their own existence. Overall, the thread reflects a mix of philosophical inquiry, humor, and skepticism regarding the feasibility of such a scenario.