Yes, relay nodes are factored in, deploying in three geographically separate locations.
ZFS was chosen to cover this very thing.
I’m glad you are bringing this to everyone’s attention, for if this is Cardano’s future then serving up this stack will require educating pool operators.
See this post:
Correction, Daedalus is a full node as @_ilap points out, targeted application fulfilling its purpose as a wallet.
This is one of the things Cardano is trying to steer away from, isn’t it? The cost of running a pool is an input within the Reward Sharing Schemes for Stake Pools, negating operating in a private world in opposition with Cardano PoS goals.