two thoughts
– kids are going off becuase they – never really got kriah – were unable to keep up in chumash – didn’t get gemara at all – gave up. How can you not use technology to help kids who are struggling to learn?
– on the other hand, for the stronger kids, the purpose of teaching is for the melamed to create a chibur penimis for the child to torah. Technology is known to be impersonal. Rav Shach z”l said that his aim in teaching Torah was always to give his talmidim ahavas ha’torah (not necessarily to cover as much ground as possible (although he did praise Reb Beinush z”l for introducing the daf to the Mir))