Fixing a beater DIY style might work for the small number of people that have the tools and patience to learn all the quirks of it (maybe with the exception of things like changing oil and other small things that EVs won't have for the most part)

Yes, batteries will need to be recycled if we want a sustainable solution

Not sure how EVs will age and how things will work in the end. It wouldn't be surprised to have shorter range ones with refurb batteries