You should read about Reticulum Propagation nodes. This conjecture is not only inaccurate, it's as short sighted as the big blockers in 2017. Having a client be a public Relay is just not feasible on the hardware most clients operate on. and if every client is just a private relay no one is being served your content. 
Get a Mini PC, have a few TBs of memory, create a public relay and purge it on a schedule.  Hosting your own server solutions will be a very important part of the future.