I can't wait to see how long it takes google to scrap it like they did with google reader
The media consumption landscape is too supercharged with quick hit fast-food to support long form profitably.
Can blogs be run non-profitably? Of course, but either the author is time/money rich, or they'll try and hop the influencer train.
Blogging for blogs sake seems to be destined for niche-ness.
I imagine there's a world where Google, still in the RSS space, realized that newsletters were an oddly vibrant market, and were the ones who started alternate-universe Substack.