Why do follow backlinks are necessary?

When we think of seo; most of our friends like to say.. seo is not that important; backlinks are not so necessary. But can they show how much number of backlinks thy create to rank a particular post. NO!

Thy definitely know the importance of backlinks..

0. https://ww.slidebatch.com/default/profile/tim974

1. http://www.testadsl.net/forum/profile.php?section=personal&id=36700

2. https://ww.slidebatch.com/10-biggest-malayalam-dubbed-movies-download-sites

3. http://www.projectlibre.com/users/e10studio

4. https://forums.prosportsdaily.com/member.php?733496-e10studio

5. https://members.sitegadgets.com/scripts/post.cgi

6. https://www.trainsim.com/vbts/member.php?379584-e10studio

7. https://scout.wisc.edu/Weblog/20080528#comment-59616

8. https://scout.wisc.edu/Weblog/20051108#comment-59617

9. https://diva.sfsu.edu/bundles/190927

10. https://timrey974.wixsite.com/pave-circle-earrings

These are few high da pa backlinks site which i used for myself..