The technology is interesting, but so far most of the use cases involve some form of illegality. If you want to use, say, NFTs for something legitimate, it turns out they don't really work very well for that. I'd looked at using NFTs for cross-grid ownership transfers of objects in Open Simulator. That's a set of virtual worlds run by several hundred different people and organizations, but using the same software, a…
NFT data is not comprehensive and doesn't include all subsets of that market, most of it is collectors markets.
The Play 2 Earn space has nothing to do with collectors markets. This is analogous to saying Fortnite players grinding for characters skins are providing a forecast into the baseball trading card market.
The verified Bored Ape Yacht Club is the only Bored Ape collection to care about. This seems like the worst example for you to pick, since that collection is still under high demand? Asking prices being met, recently sold prices being the same price?
https://opensea.io/collection/boredapeyachtclub?search[sortA...
Also your post is lacking an example of illegality and its relation to prevalence in the sector