AmeliCA vs Plan S: Same target, two different strategies to achieve Open Access

« (…) Firstly, both initiatives have a common goal: to make Open Access a reality. However, Plan S and AmeliCA imply two very different visions and two conceptualizations on the circulation of scientific knowledge. What is the main difference between them? How is it possible that, arising almost simultaneously and with the same goal, some of their proposed strategies are counterposed? (…) »