>Wikipedia’s ethos of verifiability should extend to the accessibility of academic references. Our sample indicated that around half of all academic citations on the platform are paywalled. This is a major flaw in the Wikipedia model.

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.