I found that my forum experience was and is greatly enhanced by ignoring posts of people whose personality defects detract from the integrity, quality and accuracy of the forum.
It is a wonderful function.
It allows me to eliminate the garbage postings from people who cannot have a mature intelligent discussion.
After all if a person isn't capable of a mature, rational and intelligent discussion I would not bother to speak to them or listen to them in real life.
Being able to put them on ignore and just move on without allowing them to undermine the quality of a discussion has made my forum experience much better.