Why we Cannot create instance of WebDriver directly?

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Tags

1. #firefoxdriver
2. #implementation
3. #create
4. #instance
5. #contract
6. #reference
7. #assign
8. #variable
9. #concrete
10. #since
11. #interface
12. #webdriver
13. #there
14. #least
15. #class
16. #instantiate
17. #implemented
18. #parents