PoA favors those with the maximum amount of hard drive. There is nothing stopping dedicated servers being set up, which we already have with 3speak.tv. We host over 100 TB of data in HD all over the world. The plan is to get other video networks to plug into the system. PoA is meant to consolidate to those that have the most earn the most.
However, small miners can still compete as well but the system does not rely on small miners, its naturally designed for max efficiency.
IPFS is far superior than blockchain for storing videos. Blockchain setups had a ton of limitations, overhead and inefficiency’s. IPFS was made for what we are doing.