Increasing the number of gateways

While true: what are the chances that nodes in a small, dense network will not all use SF7? Would ADR even recommend some nodes to use a worse SF, just to spread “the load”, while that would also affect their time-on-air and hence even their usage against the fair access policy?

I’d assume that all would be using SF7, so the only variation is the channel hopping?

A nice video: