*Tesla's, Musk is only the CEO of the company that designed that device, and attributing Musk with its invention or production isn't flattering for the (faceless?) engineers behind the brand.
Yes, we should cite the brilliant engineer who came up with the idea of storing electricity in a battery instead of the CEO that enabled low enough production cost of said batteries to make it feasible... There are many things Musk shouldn't be credited with, but this is not one of those things.