None of the people who expressed the desire were really attached to the outcome - no one lost sleep over the problem of spreading butter on toast - therefore there was no attachment to the outcome. But they also weren't focusing on the solution - in other words they stayed in Step One - Asking.
Source answered Step Two. The solution was born and held in the vortex.
Step Three: someone came along who got focused on finding a solution and because there was no real attachment to the problem, and there were no hindering beliefs so the solution was Manifested.
Everything works like that. It's up to us to see the connections and appreciate them and improve our understanding of how the law of attraction work and how we can use it. The law of attraction is behind everything that happens in the world, and it works the same way every time.