It makes sense to me overall, but as historical context it was not designed in a such a way that many farmers connect to the same node all at once. They were meant to be paired, but we know how that payed out in the end 
I’m wondering though how relevant it will be if/when Farming cluster exists, would that solve a similar issue or you still see a value in supporting multiple nodes in current architecture? This looks like a problem of big-ish farmer that might be better addressed in other way.