Description of the issue: An ad appears at the beginning of the video
Exact URL of the website in question: https://www.youtube.com/watch?v=q-YZtiONET0
Screenshot of the ad as it appears in Brave
Did the issue present with default Shields settings? (yes/no) Yes
Does the site function as expected when Shields are turned off? Yes
Is there a specific Shields configuration that causes the site to break? If so, tell us that configuration. (yes/no): No
Does the site work as expected when using Chrome? Yes
Brave version (check About Brave): Nightly 1.22.2
Additional Info: Ads appear even in aggressive mode, and even after clearing cache and cookies. No problem with uBlock Origin.