IMHO this is what they are doing. A big share, if not most of it is test traffic generated by Storj Labs.
Out of curiosity how much did you expect to make from 5 TB?
Let me show you a suitable ‘PC’:
It is a Odroid HC-2 and I am not kidding, I am running a node on it.
I guess most of us hope that finally network usage will increase. There are certainly some big customer required to make this worthwhile.