To be fair, in canon talking about horcruxes was incredibly taboo. Also, while MoR!Harry has done a better job of getting around it most adults in both canons have a tendency to withhold relevant but uncomfortable information from Harry. So it’s not that surprising they haven’t mentioned it.
To be fair, in canon talking about horcruxes was incredibly taboo. Also, while MoR!Harry has done a better job of getting around it most adults in both canons have a tendency to withhold relevant but uncomfortable information from Harry. So it’s not that surprising they haven’t mentioned it.