A baseless claim!
If you are not a member DO NOT write against it without any proof to provide.
I'm a member since July 2019 and almost every week we have updates from the Core Team, the creator of the Project.
The Core Team is composed of PHDs from Stanford University. They are not hiding from the background just like other projects around.
https://www.stanforddaily.com/2019/09/16/stanford-grads-develop-cryptocurrency-for-smartphone-users-to-increase-its-accessibility/

The project has a crystal clear Vision & Mission from the beginning until now.
https://minepi.com/white-paper

The project is 100% legit!
https://minepi.com/faq

The Pi Node is the beginning of Phase 2 and it is designed to test the Nodes of the Blockchain. The testNet involves all the members who are equipped to run the software.
https://minepi.com/node-info

Seriously, you have no idea what's going on because you are just a spectator.
Be part, get involve and you will see and experience how deep the rabbit-hole is.

Official Social media platforms:
Website https://minepi.com
FB Page https://facebook.com/PiCoreTeam
Instagram https://instagram.com/pi_network
Youtube https://www.youtube.com/channel/UCqAKEQFSpZEpED6DfdTBkWg

Other references that will open your mind a little bit!
https://finance.yahoo.com/news/pi-network-launches-mobile-cryptocurrency-100000466.html
https://cointelegraph.com/news/stanford-grads-crypto-network-hits-half-a-million-users-in-6-months
https://www.stanforddaily.com/2019/09/16/stanford-grads-develop-cryptocurrency-for-smartphone-users-to-increase-its-accessibility/