Embedded storage was actually very common some decades ago, remember seeing it in a lot of devices, mostly 3G USB Modems, there was even a AT command to enable/

Embedded storage was actually very common some decades ago, remember seeing it in a lot of devices, mostly 3G USB Modems, there was even a AT command to enable/disable it. Seems that the origin of the "chinese hack" theory can be just resumed to: younger people not being used to this kind of old stuff.