Wikipedia is the best source of humanities "common knowledge". Yes there are users that abuse the system to push their own point of view. Many articles in Wikipedia have improved tremendously over the years; many times it is not unusual for an article to have over a hundred references. It gives you all the info you want to understand the subject before you delve further through books. Now for politics I can see the problem. Even on a well behaved site like HN you can get polarized views. Just say Israel is committing genocide or ethnic cleansing and you see the reaction. Ditto for Ukraine and now Trumpism. So yes there are pages that reflect views. Take them as such. Another advantage of Wikipedia is that many references are pushed to archive.org and saved.

"DEAR AMERICAN FRIENDS IN THE ADMINISTRATION KEEP YOUR HANDS OFF THE WIKIPEDIA"

Wikipedia's value isn't that it's perfect, it's that it shows its work