His looks more the double-struck capital X from unicode math symbols. From the family of symbols that denote special sets of numbers (think doublestruck R for the real numbers, double struck Q for the rationals, double struck Z for the integers, etc)
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I mean "X" is the kind of corporate branding that 13 year olds come up with and think its "cool".
Other X-brandings that come to mind for me are Xbox or iPhoneX. I'm sure there are many many more
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Did musk not come up with something and either bought the rights to it or just didn't bother buying the rights??
Noooooooo that doesn't sound like him at all.... Cough PayPal, twitter, etc..etc.. cough.
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