Asking as someone who cares about aesthetics a lot more than most developers, what does UML have to do with aesthetics? UML is for modeling systems and relation

Asking as someone who cares about aesthetics a lot more than most developers, what does UML have to do with aesthetics? UML is for modeling systems and relationships through agreed upon conventions, and sometimes generating code stubs based on those diagrams. As long as you adhere to the conventions, the aesthetics can be changed as necessary.