Why would we be able to design a safety plan that would control such a powerful force? It would be like putting umbrellas on an asteroid hoping to slow its fall. That sounds like delusions of grandeur.
It'll certainly require a bit more than umbrellas! NASA has spent hundreds of millions of dollars developing asteroid defense systems, including a proof of concept for redirection in 2022. So, you know, let's try at least that much before declaring there's probably no way to do it.
