Do you have any examples of "tools are a mishmash of features that may or may not be relevant to the tool"? Or why the ORM's make MySQL a hard dependency? Hon

Do you have any examples of "tools are a mishmash of features that may or may not be relevant to the tool"? Or why the ORM's make MySQL a hard dependency? Honest questions, genuinely curious. I, too, work with it daily and am curious as to what you're doing/seeing/running into that I'm not.