I was a heavy SO user during it's first year or so, until a user named RichB started harassing me (and others) on the site, to the point where he got put in the

I was a heavy SO user during it's first year or so, until a user named RichB started harassing me (and others) on the site, to the point where he got put in the penalty box many, many times over the years. I guess I just realized it wasn't worth getting so upset at a very small subset of the users/trolls and investing my time & energy into the site and quit visiting regularly.