Wikipedia is open to all, the research underpinning it should be too
blogs.lse.ac.uk
blogs.lse.ac.uk
WPedia doesn't see it that way. It has recently (progressively) unveiled a new feature/resource I haven't seen mentioned on HN yet: [https://en.wikipedia.org/wiki/Wikipedia:The_Wikipedia_Librar...]
One feature is that (sufficiently experienced) editors can sign up for access to paywalled articles. (Some personal data may be sent to the sources.) Look on related pages (listed at top) for the details.
That's creating an environment where those editors can edit articles on the basis of papers not available to the general public and pinky swear that their translated-onto-wikipedia interpretation of the paper is correct.