The discussion centers on the theoretical existence of white holes in the universe and the challenges in observing them. Many participants argue that white holes do not exist, as current astrophysical models do not predict their formation or consequences, unlike black holes. Others suggest that white holes could be conceptualized as sources in dynamical systems, but emphasize that their existence remains speculative without observable evidence. The conversation also touches on the time-reversal symmetry between black holes and white holes, explaining how they relate in terms of spacetime coordinates. Overall, the consensus leans towards the notion that without a mechanism for formation, white holes remain a theoretical curiosity rather than an observable phenomenon.