"There are no rules for good photographs, there are only good photographs."
-Ansel Adams
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Photography is a visual art. The same "rules" work for photography as other visual arts. And yes, rules can be broken and should be broken. But before randomly breaking rules, it is always a good idea to know and understand the rules, and why breaking them works.
I suspect Adams knew all the rules and why exactly he used or broke them. Before you can become a good photographer, you need to be a good visual artist. Learn the rules, whether you ever use them or not. There are a lot of good, even great photographers, that know, use and break rules.
I have seen photographers that think what the mainstream thinks is overexposed is their art form. When asked, they usually know why what the mainstream exposure is so they can predictably overexpose.
I will add that; "There are no rules for good photographs, there are only good photographs." sounds like a rule to me.