I am writing the topic title and ethical delimma: Ethics of using an ad-blocker

I am writing the topic title and ethical delimma:
Ethics of using an ad-blocker.
Scenario: Ad Blockers prevent Ads from popping up while visiting a website, but those pop-up ads are a source of revenue for the website. Without this revenue, many websites will have to shut down. Mary has been thinking of using an Ad Blocker but is concerned that her favorite websites may shutdown
Dilemma: Is it ethical for mary to use ad blocker?
Please write the 11-step process explanation for the given ethical dilemma. The 11-step process instructions is given in pdf attached in the question post.