Why is there so many fillers in Naruto?

Related questions

1. Is Naruto all filler?
2. Does Boruto have 9 tails?
3. Which came first Naruto or Naruto Shippuden?
4. Why is Anime so popular in Japan?
5. Is Naruto the Movie Canon?
6. Which episodes in Naruto are filler?
7. What was the longest fight?
8. Is Naruto Shippuden after Naruto?
9. Is GT a canon?
10. How many fillers are in Naruto?

Tags

1. #adapted
2. #before
3. #filler
4. #create
5. #manga
6. #purpose
7. #often
8. #storylines
9. #considered
10. #allows
11. #series
12. #dislike
13. #healthy
14. #episodes
15. #boring
16. #released
17. #every
18. #fillers
19. #pointless
20. #artist
21. #anime
22. #between
23. #episode
24. #maintain