Elon Musk has once again put his foot in his mouth on X.Gotham/Getty ImagesElon Musk seemed to question why no one was trying to assassinate Kamala Harris in a post on X.Musk deleted the post, calling it a joke, but still faced swift backlash.The post exemplifies advertisers' hesitancy to go on the platform — but that may not matter for him.X is starting to look a lot more like Truth Social — and it's going to cost the platform.On Sunday evening, following an apparent assassination attempt on former President Donald Trump, a user posted asking, "Why they want to kill Donald Trump?" (sic).