It seems like they're very different layers, but maybe relays could be replaced by the built-in file sharing stuff somehow. I think they could be very complementary.
Discussion
this is good thinking, they are just data stores with additional, minimalistic indexes accessible via filters
building filters is really cheap actually
content addressable data is a flat filesystem, and then you can have secondary layers with metadata
For what little I understand it is a a complex new internet with a replacement for all 1970 tech (TCP/IP, DNS etc) plus plugins for the transmission layers including even blue tooth mesh