I’m not IT specialist, but as far as I understand, POI is about having always more than 51% of nodes running in order to avoid delays and provide quality info. I apologise if I am wrong, maybe somebody from team could explain you better.
First token burning has already been declared, but don’t know if it’s done. 20MM tokens burn

Airdrop should arrive soon, they will announce I guess
Monday will bring light to the community