Substack has attracted a number of high-profile writers to its newsletter platform — and it’s not a secret that the venture-backed startup has lured some of them with sizable payments. For example, a New Yorker article late last year identified several writers (Anne Helen Petersen, Matthew Yglesias) who’d accepted “substantial” advances, and others (Robert Christgau,…

Substack faces backlash over the writers it supports with big advances