When Apple and Samsung have battery problems, you bet it's on them to fix it. Mind you, Samsung makes their own batteries and people care less on mobile devices as replacement is under $100. $5,000 to $20,000 worth of batteries? Yea GM needs to replace it and then deal with LG.
GM's probably improved a bit compared to 20 years ago when they wanted the electric vehicle industry to fail. They'll put out a product to show they're doing something but they don't care about the sector, they're much happier selling pickup trucks. Well they better start showing they care soon if they want people to buy a Hummer.