I strongly disagree with many things in your text, @Kevin Reijnders.
1st: I also write as a hobby, however, my first episode posted was already getting ads on the first day, but the most a small writer can achieve is visibility if they come to the forum, as Tapas does not publish small stories; If you advertise externally, someone may even read your story, but they won't register on a site they don't use regularly just for that reason; So, saying that you post here as a hobby doesn't seem to make sense.
2nd: it is not necessary to have a wide range of market studies to know who your target audience is: a person who likes horror, for example, likes horror because of elements present in horror, elements that you will not find in other categories; another example is Shounen Battle, someone who knows what Shonen Battle is is much more likely to click on a story about and follow along than someone who doesn't previously know what it is. If your story has a bit of everything, someone with a personal taste in a theme may even find a little of that in your story, but they will find it in such small quantities that they may not be interested; In fact, by the time the person's interests are met, they will have read so many parts that don't interest them that they may think it's not worth following your work. Oh, and the fact that Tapas is designed to suit all ages doesn't mean that all ages will be interested in my work.
3rd: the works that have the most notoriety here are the BL works, which are quite niche, but they offer exactly what their audience wants. They affect the personal desire that the person already has, and therefore, it is logical to say that defining a target audience is important; unless of course, you want to make a story that doesn't deliver something specific enough for someone to be interested and not care if your story isn't recognized or publicize it outside, so people see ads but don't subscribe. 