Here's the original paper which you can't read because it's behind a paywall even though it's research supported by your tax dollars: http://www.sciencemag.org/content/348/6237/1261498
This work is likely government-funded but certain types of research are supported by private organizations and/or donors.
EDIT: Also, this article is free provided one registers with Science/AAAS [1].
> There are many other organizations, such as SPARC (the Scholarly Publishing and Academic Resources Institute) and the Open Society Foundations, that work tirelessly for progress in Open Access. You can find many free resources to help you learn more or to advocate for OA journals in your institution.
See also: https://doaj.org/oainfo
Except it creates incentives that perpetuate the publish or perish model. For example, journals no longer need to worry about if published work is interesting or has an audiance and therefore it becomes easier to publish papers of dubious value.
During your annual review, you need to explain why you only published 1 paper (perhaps in the pay-walled journal of your proffesional society) when your colleague published 3 papers in some Open-Acess journal that nobody reads.