Isn't there a network effect at play, though? People who can't read your article because of ad blocker blockers won't share it on social media. Sites that turn away some visitors will probably notice a dip in traffic greater than the number of ad-blocking users who were denied access.

This is the same reason Microsoft has historically been pretty lax about going after home users who pirate Windows; those users make Windows a more attractive market for software publishers, which in turn draws more users.