I think there’s a lot of self selection going on. Most people who migrated here did it based on principles (or a persecution complex), so of course they will have lots of political opinions, often extreme. Frankly, it’s getting a little tiring seeing it everywhere. Even on gaming subs it seems like every other post results in a discussion about the evils of capitalism.
This means people in the test market are clicking on those ads. Not much we can do about it at that point - it works therefore they’ll use it.