Have all the other auto makers dumped massive amounts of investment into sourcing batteries? Do they have their own GigaFactories? How about contracts with lith

Have all the other auto makers dumped massive amounts of investment into sourcing batteries? Do they have their own GigaFactories? How about contracts with lithium mines? Sure, the other auto makers have the existing infrastructure to assemble cars, but if they don't have a way to get batteries cost effectively, they are way behind the curve compared to Tesla.