I was writing a romance story with an immortal character before I hiatus’d it into the shadow realm. I think as long as you are tasteful about it no one’s going to ask questions. No one really questioned anything about the twilight series.
There are musicians who are very corporate and have writers or buy songs, and some do It all themselves. Just different sides of the business. It doesn’t effect me so I can still enjoy whatever sounds good.
uploading a new story with a cover is always better than leaving it blank. The newly released section is where you will get the most traffic so having the default cover isn’t very good for standing out.
Only reasons to make SH account are to post a story, post on forums, or bookmark stories. The reader base who just jumps on the site to get off while reading the first 5 chapters of some generic smut isekai doesn’t really care about any of those.