Any task no matter how simple has a fixed cost (tracking it, context switch, ...)

Depends from what perspective. You working on hosting doesnt materially take away from Derek working on streaming.

Im not talking in economic terms. I simply mean we can build shit faster if we all do it together at once knowing its eventually needed

Many similar such efforts have been set in motion today. Remember the early days of nostr apps cranking out seemingly daily? Back when we were all bullshit on pablo? I feel a similar bubbling beginning today in the demu space on nostr.