It's amusing the "slippery slope" is originally the name of a fallacy, but how now become a simple statement of supposed fact (i.e. "if we do something, we won'

It's amusing the "slippery slope" is originally the name of a fallacy, but how now become a simple statement of supposed fact (i.e. "if we do something, we won't be able to, over time, stop ourselves from doing even more of that thing").