What I'm saying is that I "ignore" posts based on their actual content, not based on who says it. It's easy. Just roll the scroll-wheel. By using the Ignore List, you are characterizing/muting someone for eternity (or until you Un-Ignore them) and will likely miss something interesting they may say.

If someone is spending a lot of time outside of WO and/or there are too many spam posts that they can't handle on-the-fly, then the Ignore List can be of help. From my experience, WO is very easy to browse with an empty Ignore List.