I've had a user report that although the content filtering is working normally for sites, they were served an Ad for LoveHoney through Youtube today. I know about restricted mode and how to restrict advertising categories. However, those settings are only available if logged in. Also, what they sell doesn't neatly fit into (oo-err!) any of these categories:
I suspect it's impossible to avoid this with any degree of certainty, short of using a Youtube Premium account. Does anyone have similar experience or advice?