My best friend just bought a "New" Nintendo Switch from Target. Apparently the Switch was previously owned by a guy named Kenneth, and was fitted with parental controls on it : r/NintendoSwitch
RetroGaming] How to Force Reset Password in NDSi / Wii – Ipohzai 怡保仔
release: Unlock parental control tool for Nintendo Switch (mkey generator) - Wololo.net