What you fail to realise is that only the hobbyists have it right. Nobody is making money from EVs. Only folk who are smart enough to retire in their 40’s can afford to tinker with such stuff, along with major corporations spending other people’s money.
What is clear is that you have no experience of the subject, but are happy to defame those who do.
And let’s be clear about just how ignorant you are. Tesla have no battery technology. It all comes from their suppliers, mainly Panasonic.
