Never assume another person knows how you would like them to think and to act in an effort to become better. Communication is the key to connecting, one person at a time, the new direction to be pursued. People can only enroll on the path to “better” when they are compelled to do so through communication.
If the direction you are setting is not being adopted by each person, check yourself first. Are you communicating effectively? To simply blame another isn’t a resolution. Even if they are locked into never changing, try again and maybe again to communicate so you would know for certain.
“More information is always better than less. When people know the reason things are happening, even if it’s bad news, they can adjust their expectations and react accordingly. Keeping people in the dark only serves to stir negative emotions.” — Simon Sinek —