The perspective of Love doesn't leave anybody out. Until your vision and compassion is big enough to include those who oppose you, you are simply contributing to the continuation of destructiveness . The end of separation is the salvation for all.
Criminals, people who commit crimes, usually society rejects these people. They are also part of our society. Give them some form of punishment to say they were wrong, but show them they are part of society and can change. Show them compassion.
The wounded surgeon plies the steel
That questions the distempered part;
Beneath the bleeding hands we feel
The sharp compassion of the healer's art
Resolving the enigma of the fever chart.
If indeed the qualities such as love, patience, tolerance, and forgiveness are what happiness consists in, and if it is also true that compassion, defined as concern for others, is both the source and the fruit of these qualities, then the more we are compassionate, the more we provide for our own happiness.
Those who don't have a life filled with luxury may have a home filled with compassion, based on their choice to be content and to practice self-discipline. Even when we have physical hardships, we can be very happy.
unless the direction of science is guided by a consciously ethical motivation, especially compassion, its effects may fail to bring benefit. They may indeed cause great harm.
When a person is in a miserable situation, then, yes, it is difficult to develop genuine compassion toward others. That's why I find it difficult to say to poor people, "Please have compassion toward millionaires." That's not easy.