When 20 people quit Basecamp, that got a Times article too [0] -- though also a lot of chatter on HN [1].

FWIW I agree with a different comment on this thread that Substack gets disproportionate attention in traditional media because its business model is a financial threat.

[0] https://www.nytimes.com/live/2021/04/30/business/stock-marke...

[1] https://news.ycombinator.com/item?id=26998127