I believe that wikipedia should be user edited, what people look for in it are expanded definitions, or short definitions. I do not believe it is right that people delete articles, because, put simply, everything wrote about will be real, even if it is spam with the title "dwibfiwqibwek" You could put a warning at the top that says "the user that wrote this article is a raving idiot who has no comprehension of anything" And make it un-editable, so that the user would not make more than one. Theres no reason to delete articles that tell about something either, because if they're able to talk about it, it's of course a concept. Though, who cares what I think.
You could call me the justifiable vandal, vandalising users pages that do wrong in Wikipedia, it started with a simple user editing southpark episodes and I made fun of him through his account, and now has evolved into a phenomena... The Good Vandal lives on.. I change BAD vandals profiles for the worst so they have an actual reason to not vandalise wikipedia. Change their profiles back if you will, but both of us know, in our hearts, that they really really don't deserve getting good profiles.