Always comforting to know that a multi-tonne metal box that costs 50 grand and can travel at 140 KPH and mow down unsuspecting bystanders is running off what’s essentially an SD card. Great engineering there, Elon!
Even the higher end phones don’t use eMMC anymore, they use NVME single-chip SSDs.
Maybe it was some programmer who’s good with code but doesn’t bother to understand hardware.