i am not an executive or in this arena. but i dont see how you can say elon musk defrauded people when this article says he joked about buying twitter then tried to back out of it, but was not able to back out. why if you are an executive or a business

i am not an executive or in this arena.  but i dont see how you can say elon musk defrauded people when this article says he joked about buying twitter then tried to back out of it, but was not able to back out.  why if you are an executive or a business owner, are you not able to back out of a deal? https://www.msn.com/en-us/money/companies/elon-musk-held-accountable-for-misleading-twitter-shareholders-in-44b-takeover/ar-AA1Z7ZNP?ocid=msedgntp&pc=U531&cvid=69bf1fa20a5b49dfb33341ab29018e2d&ei=18