Wonders a snarkling:
In several posts, you mentioned that fantasy and youth fantasy are highly competitive genres. If there is such a thing as a highly competitive genre, then it follows that there are less competitive ones. What are the less competitive genres?
true cozy mysteries
which is not to say they aren't competitive, just fewer people seem to be writing them. Or fewer people who query ME are writing them.
Publishing in general is competitive. I don't think there are any reliable statistics on query letters versus published books. I know we take on less than one in five hundred.