One step in a direction does not always lead to the next, especially if there are definite plans at the beginning to avoid it.
Perhaps, but choreographing 50 million people (plus or minus an arbitrary number, depending on your country) is pretty tough, even on a good day.
Still, there are ways of dealing with slippery slopes. Knowing that something is a slippery slope means "approach with caution" not "stop".
One step in a direction does not always lead to the next, especially if there are definite plans at the beginning to avoid it.