Mods can delete posts that are up to a few days old. If it's older, only site admin can do it. PM me with the link(s) you want deleted and I'll see what can be done.
I share your frustration. Finding articles is so difficult. I would love a separate Index that is searchable just for Articles.
That is why I created the following. It now contains over 40 Articles. I intend to add more.
http://www.de