The Guardian - Paywalls block scientific progress. Research should be open to everyone. Schmitt, March 2019

Academic and scientific research needs to be accessible to all. The world’s most pressing problems like clean water or food security deserve to have as many people as possible solving their complexities. Yet our current academic research system has no interest in harnessing our collective intelligence. Scientific progress is currently thwarted by one thing: paywalls.

https://www.theguardian.com/education/2019/mar/28/paywalls-block-scientific-progress-research-should-be-open-to-everyone