Wikipedia is great for what it is, it shouldn't be changed as we already have certified sources of justified "non trivial" knowledge.
If in the instance of searching for "infallible" knowledge, say for scientific research or formal education than we know better to cite wiki.
Wiki isn't a medical dictionary but it is a starting point for your inquiries as it is serves it's purpose exceptionally as a generalized source of knowledge.
Wikipedia is great for what it is, it shouldn't be changed as we already have certified sources of justified "non trivial" knowledge. If in the instance of searching for "infallible" knowledge, say for scientific research or formal education than we know better to cite wiki. Wiki isn't a medical dictionary but it is a starting point for your inquiries as it is serves it's purpose exceptionally as a generalized source of knowledge.