"Why do they do thing X when the polling shows thing X is massively unpopular with their voters? Why don't they do thing Y which would be popular, help a lotta people and get them elected! I just don't understand..."
Because they don't work for you, they work for rich people, and it's not about trying to get elected, it's about creating the kind of world/state that advantages rich people in their quest to extract wealth and generate power even if it means we all die.
Obviously.