They don't need to revamp. They have access to billions in revenue that can be put in to setting themselves up as key players in yet another industry. Many of t

They don't need to revamp. They have access to billions in revenue that can be put in to setting themselves up as key players in yet another industry. Many of them are doing just that. Eventually, they all probably want to dominate the battery / grid renewables industry as well. Why wouldn't they? They are uniquely positioned to do so.