I'm usually a contrarian, but this time it seems exactly the right way for them to go about the situation. Like the students in the article I cited Wikipedia in high school, but nowadays when I'm doing research (usually for a column) I only use it to get background information and scour their sources instead, along with other sites. Yet I know my friends have cited it, and I'm surprised that it's taken this long for a school to take some action; do they really expect a website that anyone can edit (including the student) to be a reliable source of information? Who needs expert opinion when you can point to an "Encyclopedia" article filled with factoids you could have pulled out of your ass before you printed off the page?
But there is a real danger that the research skills of our generation are being eroded by the likes of Wikipedia and Google. It's much easier to fish around for a couple minutes and use the first few pages that come up than to comb the archives of some obscure scholarly journal. The last time I used an online library database was probably my junior or senior year in high school, and that was three or four years ago.
If Wikipedia citations are as common as I suspect they are, then who is at fault? Who is the lazier party: the student who does it, or the teacher who allows it?
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I do use Google a lot and maybe even wiki BUT I never ever, ever use it for serious work like school or work (I use the library, it's more useful). I use it for things like maybe a CD playlist or something :)
~Peace, Life, and Love~