Yeah, that's a hopelessly optimistic viewpoint, I fear. I have many hundreds or more contributions, but stopped a few years ago.

Tried coming back and immediately ran into edit wars on a list of fastest production cars, when legions of people were eager to get the Tesla on there on the strength of a press-release of an upcoming release. Rules warring, silent reversion, you name it.

Wikipedia Review (though not without its share of cranks, and now largely dead), shares a pretty good history of the more sordid history of WP.