So this is the context taken from this post by Jeff who is a co-founder of Stack Exchange:
With 46,656 paths to only 720 real world outputs, it's inevitable that some of those paths will be severely over-represented or under-represented in the output. And are they ever. If you shipped a real card game with a naïve shuffle, you'd have some serious exploits to deal with.
What does And are they ever mean ?