Berkshire Hathaway holds over 9% of Coca Cola's shares, worth $28 billion and returning over $800 million a year in dividend payments. Isn't that worth being seen visibly supporting Coca Cola products?
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one thing is being visible, everyone is visible that is sponsoring a product in some way, e.g. athletes with gatorade. it is a whole other thing to accuse someone of creating a “fake persona” if he just wanted to “promote” coke there are many other ways this could be done (especially with virtually unlimited money for PR etc)