I'm a writer first and an editor second... or maybe third or even fourth. Successful editing requires a very specific set of skills, and I don't claim to have all of them at my command.
Short-story writing requires an exquisite sense of balance. Novelists, frankly, can get away with more. A novel can have a dull spot or two, because the reader has made a different commitment.
Once you've invested hundreds of hours in creating a coherent universe, your story's grown to around a half-million words and can't be written as anything less than a trilogy.
Neophyte writers tend to believe that there is something magical about ideas and that if they can just get a hold of a good one, then their futures are ensured.
Editors of open anthologies actively seek submissions from all comers, established and unknown. They are willing to read whatever the tide washes up at their feet.
During the many centuries that magic, here on this planet, was presumed to have worked, there were at least as many theories as to how magic worked as there were cultures and religions.
If you write, one of the questions you're always trying to answer is, Where do you get your ideas? And, if you write, you know how pointless a question this is and how difficult it is to answer.
When I'm not writing or tweaking my computer, I do embroidery. When I'm not plunging into the past, tweaking, or embroidering, I'm reading books about history, computers, or embroidery.