People who use their service and also block ads aren't their customers though. They have no incentive not to block them. Sure it'd be best to come up with an al

People who use their service and also block ads aren't their customers though. They have no incentive not to block them. Sure it'd be best to come up with an alternate revenue stream that's less annoying and equally or more profitable than ads but obviously no one has or they'd be using it successfully.