Making YouTube videos is a full-time job. Channel owners invest thousands of hours until they start taking off. You don’t have that time. So here is a shortcut:
You will need to make just one video. But it will have a huge chance to go viral because the topic has already been verified. Perhaps it took that YouTuber dozens of tries until they found what clicks.
But that insight is now public. Just use it.
Example 1:
Example 2. The first video is a short guide. Does not fit. The second one is better:
Example 3:
You don’t copy cut the video. Instead, get inspired. Try to think why it went viral. Keep that why and upgrade the video by adding more details, making it up-to date, adding your unique perspective.
Copy-paste their headline and change it a little bit. It is easy to ruin a headline, so don’t try to invent it from scratch. Use theirs.