Update. Here's another piece that made it through peer review (#Cureus / #SpringerNature) documenting the real problems of #APCs without mentioning the existence or prevalence of non-APC OA (#DiamondOA) journals.
https://www.cureus.com/articles/276986-increasing-importance-and-costs-associated-with-publishing-for-dermatology-residency-applicants#!/
The editors and peer reviewers also allowed this howler to stand: "The #GreenOA option does not charge an APC and is free for authors to publish but requires a subscription to the journal to read the article."