For reference, this is from the same developer [1] that created Semantic MediaWiki [2] and lead the development of Wikidata [3]. Here's a link to the white paper [4] describing Abstract Wikipedia (and Wikilambda). Considering the success of Wikidata, I'm hopeful this effort succeeds, but it is pretty ambitious.
[1] https://meta.wikimedia.org/wiki/User:Denny
[2] https://en.wikipedia.org/wiki/Semantic_MediaWiki
[3] https://en.wikipedia.org/wiki/Wikidata
[4] https://arxiv.org/abs/2004.04733