The post and the video seem to be up-to-date to me. Admittedly, I was frustrated when I made my first post and was focused mostly on the existence of the following language in the suggested post (which seems to me to answer 95% of all problems people have with creating a login account):
Update: There is a question asking how many accounts you can have, the answer to this is 1, so in the box, very careful type the number "1".
Maybe just increasting the text size of the pertinent line in the agreement by a font size or two would filter out some of the illiterates.