That's mostly true, though sometimes a writer can make a killing writing contrarian edgy slop where anyone approaching a monomyth is brutally killed off as a recurring gimmick until not much really happens ultimately except a cycle of sensationalistic violent and/or sexually violent gotcha moments until it sputters out before its undelivered last book.
Writing world building is fun!
Writing actual fiction is boring and dull because if it's not a monomyth your editor is gonna removed about it
That's mostly true, though sometimes a writer can make a killing writing contrarian edgy slop where anyone approaching a monomyth is brutally killed off as a recurring gimmick until not much really happens ultimately except a cycle of sensationalistic violent and/or sexually violent gotcha moments until it sputters out before its undelivered last book.