To take it a step further, I had a stalker on these forums a good while back, this individual followed me around on almost every post I made to bash and bash and bash. I put them on ignore, but it didn't stop them from following me around and bashing my threads or posts. Me not responding to them didn't change a thing. So putting them on ignore did not fix the problem because it did not stop this person from not only bashing my posts, but also making attempts to slander. I would love to see this go even further by not only do I not even see they exist at all, but I would also like it to work where they can no longer know I exist either.
If they see me post, it will simply say, "Sorry, you cannot see this post, this person has you on ignore." or better yet, them not see anything at all. As far as they are concerned, I simply stopped making posts or threads and that's the end of it. If I ignore somebody, not only do I not want to see what they have to say to me or about me, I don't want them even seeing me.