Semantic technologies, linked data never really delivered. The "Semantic" aspect was in sense a hyped, exaggerated term, long before ML/AI hypes became regular abusers of linguistic precision at the service of marketing.

But had they been adopted for what they are: well defined metadata according to vocabularies and ontologies that following accepted, interoperable standards, the development of ground truth and knowledge graphs would have been much more advanced that the current state.

So my guess is that projects like semantic mediawiki, wikibase etc will eventually see renewed roles and gradually link with the more statistical and algorithmic processing of information.