If you aren’t realizing the importance of POSSE imho that’s crazy ;-)

You become beholden to these platforms and they're inherently not portable. There is risk here, and given the track record of Internet companies I think it's fair to say the risk is not worth it for many people.

Your costs could explode, or worse, the business could go under and you lose all your shit.

Substack only really makes sense if you want to monetize your content.

Why ? Spinning up a blog these days with one of these frameworks is almost quicker than signing up to one of the blog hosting platforms.

And you get to keep your data in markdown easily portable