Apple is part of Wifi Alliance and as a member they propose features to be adopted by the whole members of Wifi Alliance. Apple offered AWDL as the standard but it got rejected instead they used that as a basis to form NAN which Apple contributed to.
Here is Apple making the argument that just because they propose something to Wifi Alliance doesn't mean that it would get adopted.
They were forced to.
On 5 September 2023, the Commission adopted a decision designating Apple as a gatekeeper under
the Digital Markets Act (DMA) for a number of its services, including its operating system iOS.
As a result, Apple must comply with the obligations set out in the DMA.
On 19 September 2024, the Commission opened proceedings pursuant to Article 20(1) of the DMA
in view of specifying the measures Apple must put in place to effectively comply with its
interoperability obligations in relation to several connectivity features, predominantly used for and
by connected devices.
On 18 December 2024, the Commission adopted its preliminary findings setting out the proposed
measures that Apple should implement to ensure effective interoperability with iOS for connected
devices.
In response, Apple themselves proposed that they will make Wifi Aware available to 3rd party developers as an alternative
Airdrop does not use Wifi Aware, Airdrop uses AWDL which is proprietary and patented by Apple. Google reverse engineered the protocol which is legal and that is how they are able Airdrop from Pixels to iPhones and Macs that do not have support for Wifi Aware.