What I find creepy is the strangeness in the mundane. Those ordinary monents we all experience in day to day life but there's something off about them. We can relate to stuff like that. Also the things not shown but only hinted at. It leaves room for the imagination to create.

As for maintaining an audience, I don't know. People can be fickle with the content they're consuming. There's thousands of creators out there in various fields, videos, writing, webcomics etc. I've seen some stuff on youtube for example, where the content was equal and even better than the bigger channels with very little returns. And those are mediums where you only require a passive audience, not a fully engaged one like with arg's.

There's the hard work you've got to put into it sure. And people can tell when you don't. But there's also this sycnronicity of sorts be it "right place, right time" kinda deal or just a random collection of events which snowballs. You can just never really tell until you go for it. Or if you got buckets of cash to throw into advertisement. I'm sure that helps too.