What is “moral isolationism”?

Base on this chapter the moral isolation focus on the people who do not now know about their own culture. Sometimes it affects the living of a person. It is the view of anthropologist and other that we cannot criticize cultures that we do not understand.

Explain the Japanese custom of tsujigiri. What question does Midgley ask about this custom?

It is like when you have new weapon like sword, katana and etc. you are trying to apply your new learned abilities to your opponent and to other people who provoke you because you want to know if its effective or not. It is like every culture has their own specialty that will make them unique but sometimes being unique make isolate you from other people because you are considered dangerous.

What is wrong with moral isolationism, according to Midgley?

For her we should understand that the different cultures exist and this will produce different idea, criticism about their different act. She agrees that the moral isolationism is effective for the people, which are giving idea and truth because it would prevent the other people to go into other society and follow their rules.  

What does Midgley think is the basis for criticizing other cultures? 

Midgley think the basis for criticizing other culture is by insulting them without knowing what is their true culture, by isolating them and compare them to other.