Did you take a poll of everyone you've met about this topic? Or are you assuming that the people you've met would have told you if they sent letters to the CEO?

Did you take a poll of everyone you've met about this topic? Or are you assuming that the people you've met would have told you if they sent letters to the CEO? Consider this possibility: maybe Jeff Bezos sends personal replies to the letters. If word got around, it wouldn't be that weird for 1-2% of the workforce to write a thank you note hoping for a personal reply.