10 design changes for youtube:

1. Telling people when they cross a limit of normal usage limit.
2. A section "the videos which provide value to me" and "the videos which I like".
3. A strong mechanism to counter fake news.
4. Banning vlogs.
5. Addiction warnings like the warnings on cigarette packs.
6. A better way to measure the quality of videos than views.
7. Maybe a debate on "anyone can post" with world governments.
8. Banning hate comments/cyberbullies for life.
9. Simple guidelines on citing the sources of any facts (like done in research papers)
10. An option whether users wants to view recommended content.