Short content does not really matter.
According to ranksignals, Nairaland has a high page rank of 7. See screenshot below.
The rank signals shows that the domain authority of Nairalnad is high.
Due to its authority, when an article or post is shared on Nairaland, it ranks quickly on Google and other search engines.
Yoast guides you on writing better SEO ranked articles but this doesn’t apply to all bloggers.
For example, if you are a news or gossip blogger, all your articles can never show the green lights.
Are you getting me?
However, if you want the articles to have the yoast green lights all through, follow the guidelines in the yoast plugin.