No idea where they live but here in Germany ads for political parties are severely limited except during the months leading up to an election and advertising aimed a children is harshly regulated.

https://metager.org/ is run by a German non-profit. Since late last year it’s pay to use because their advertising partner (Yahoo) cancelled their contract without warning. But it’s cheaper than Kagi. Also the non-profit is part of the project that’s building the European OpenWebIndex ( https://ows.eu/ ) that’s releasing this year.