(meta) As a platform, substack content must follow the power law, right? That is, a few authors are most productive and there’s a long tail of single (or zero)

(meta) As a platform, substack content must follow the power law, right? That is, a few authors are most productive and there’s a long tail of single (or zero) article substacks. This article was migrated from medium, but now the author gets to collect email addresses. But why subscribe? There are two articles. Is substack an RSS replacement (potentially with a paywall)? Maybe I should just consider substack to be a low barrier to entry blogging platform that can be set to your personal domain for $50? Definitely not trying to beat up on the offer, just curious about the real value prop of substack for “most” producers and if that’s aligned with my goals as a reader who sees a email collection modal on every visit.