Sure, but I don't think most of the folks bristling at x object to the general idea of keywords-as-operators—based on the feedback here many people who reject x would not have an issue with by, of, or similar. I think that while not entirely unprecedented, it is definitely a difference-in-kind to use a letter character as an operator purely due to its typographical similarity with the target operator (though it's not a difference I find to be that worrisome). Operator keywords which are semantically meaningful are not attempting to visually imitate some other operation, they're just functioning as the words themselves!
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