A system that diffuses new ideas too quickly creates cacophony.

Ideally, diffusion needs not one decision but lots of decisions, one for each diffusion step.

Then it becomes an accretion of decisions to share, not one decision.

Instead of one person trying it and then sharing it with everyone, one person tries it, shares it with their neighbors.

If it works for their neighbors they retransmit (possibly mutated), and if it doesn't, it dies with them.