An alternative is simply to remove people from your notifications and news feed.
That way you won't see any of their activity unless you go to their wall.
If the problem is them getting on your wall, you can create customised exclusions which Facebook remembers and applies to your next post.
There's many alternatives...
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"Whether I were to preach in brief, Sāriputta, or whether I were to preach in detail, Sāriputta, or whether I were to preach both in brief or in detail, Sāriputta, rare are those who understand." (A I 333, Sāriputtasutta)