This is pretty naive. Do you think Google is now cross-checking news stories with the encyclopedia entries on vice presidents and nuclear fusion? Please go to f

This is pretty naive. Do you think Google is now cross-checking news stories with the encyclopedia entries on vice presidents and nuclear fusion? Please go to factcheck.org, which is what they'll actually use. They're dealing with stuff that's almost exclusively like your item #4, and they'll definitely give it ratings. #3 and #5 are also much more open to argument than you want to admit here.