I just pick the most impactful or interesting line in the chapter and use that as a basis for the title, so yeah, your method is totally viable.
That doesn't mean I stopped putting effort into my titles, though. I still make puns and jokes on them from time to time.
If you have to ask around if it's safe, it's quicker to assume it's not safe. So, to save yourself some trouble, put a small censor like the Divine LightTM or a slight blur on parts you think might trigger a removal.
After that, tell your readers you can get the uncensored version in your...
Your story hasn't lost visibility, nor did the platform intervene.
But... consistently getting 600+ views while only having five registered readers isn't normal, I think. I suspect there was something wrong going on with the views counter that increased them dramatically during those three...
I was once involved in this kind of thing, as the artist no less. I had taken in commissions from several people, some even from ScribbleHub. However, I couldn't live up to their expectations. I kept delaying things indefinitely with no clear reason, and it was stressing me out. Sure, my prices...