By linking the terms to their Wikidata equivalents, it opens up an easy way to access additional information such as:
OSM keys
Wikipedia pages and categories
Alternative categorisations, e.g. whether team sports, winter sports, etc
Links to related organisations where present (this might be something to enter into Wikidata instead of as part of this taxonomy? Could help with #11?)
By linking the terms to their Wikidata equivalents, it opens up an easy way to access additional information such as: