Yes, a huge number of humans are incredibly immature, stuck up, biased, and self-centered. No, there's nothing you can do about their issues, or the impact they have on others, and on the world in general.
Except for a couple of real things.
You can double-check yourself, your motives, your biases, and your actions, and find ways and methods to make improvements wherever possible; and then you can be a beacon of hope, a model, and a mentor for others, especially young people, who are desperate for positive, self-respecting, fair-minded, non-sexist, non-bigoted, ethical adults to guide and protect them.
Except for a couple of real things.
You can double-check yourself, your motives, your biases, and your actions, and find ways and methods to make improvements wherever possible; and then you can be a beacon of hope, a model, and a mentor for others, especially young people, who are desperate for positive, self-respecting, fair-minded, non-sexist, non-bigoted, ethical adults to guide and protect them.
