It's not just about devs getting older and busier, but also about networks becoming openly hostile towards third party client implementations. There used to be a healthy ecosystem of Whatsapp client libraries, but they have gotten takedowns, and their users bans. Eventually people give up. Some few individuals build third party implementations but keep them secret so that there is no retribution (I remember reading about a guy blogging about a self made iMessage client).
I think we all know which gatekeepers are going to land on the list and how happy they'll be to be on it. If this does more than just create a list and actually punishes gatekeepers for bad practices, I'll be impressed.
