Sure, they “exercise their personal religious conscience… to limit or cease their association with a disfellowshipped person"...
...'cause if they don't, the rest of the community will be required to “exercise their personal religious conscience … to limit or cease their association" with them...
...and so on, and so forth...
Here's a handy tip...
...if you're compelled to "exercise your religious conscience" to do something under threat of sanction, it's no longer an "exercise of religious conscience".
It's just coercion.