@YouTube I watch videos and you are able to make recommendations based on my viewing, then why are the ads I see increasingly not in English? If I watched a high volume of videos in another language it would be understandable but I don't. You are wasting your advertisers budget.
The ads you see are tailored to your interests and based on your Google Ad Settings, the videos you’ve viewed, etc. It might help to check your language setting of your Google account: https://goo.gl/Q122H7 . As well as, personalizing your ad preferences: https://goo.gl/NmHzXh