Yeah, it's not a Slippery Slope fallacy when the slope is indeed actually slippery, and many things are actively sliding down it at great distances and speeds,

Yeah, it's not a Slippery Slope fallacy when the slope is indeed actually slippery, and many things are actively sliding down it at great distances and speeds, following trajectories we've seen over the decades of the same kind of objects going down the same kinds of surfaces.