>>39469245Other way around really, though it's kind of both.
DS Lite, 2DS, and Switch Lite are to push Pokémon sales to multiple child households/cheapos.
Unlike Ishihara Nintendo knows Pokémon moves systems but Pokémon is worth far more than any system so it's Pokémon that really benefits from it.
Guaranteed that like the DSL, the SL would've been delayed at least a little bit had Gen 8 been like Gen 4 was.