Are ad blockers illegal?

Related questions

1. What does Adguard DNS block?
2. Does Adblock work on Firefox?
3. What is uBlock on Firefox?
4. Where is the ad blocker on Firefox?
5. Is Adblock for Firefox free?
6. Does AdBlock slow down Firefox?
7. Does Adguard cost money?
8. Does Firefox block ads by default?
9. Does Firefox have built in adblock?
10. Does Firefox Mobile block ads?

Tags

1. #property
2. #effectively
3. #plainly
4. #tampering
5. #blocking
6. #actually
7. #think
8. #block
9. #because
10. #yours
11. #technically
12. #themselves
13. #people
14. #blocker
15. #illegal
16. #anyway
17. #reason
18. #legal
19. #blockers