Assuming your king is the white one:

You need to convince all the black pawns that sacrificing themselves to the strange machine will turn them white in the afterlife… or some other political racist bullshit

Because of this the reaction will not work outside of carefully controlled laboratory conditions, ruling out apocalyptic scenarios where the process runs away and destroys all available DNA by building versions of itself with it.

This isn’t something that’s taking over the world just yet

So there’s always that kind of uncertainty; you think you can build safeguards in, but they’re not necessarily a guarantee that it will be safe

Very reassuring, nothing to worry about

Not if some wiseass manager decided to turn off all logs “to save payments on storage”