You do not settle whether an argument is justified by merely showing that it is of some use. The distinction is not between useful and useless experiments but between barbarous and civilized behaviour. Vivisection is a social evil because if it advances human knowledge, it does so at the expense of human character.
In your dread of dictators you established a state of society in which every ward boss is a dictator, every private employer a dictator, every financier a dictator, all with the livelihood of the workers at his mercy, and no public responsibility.
We live in an atmosphere of shame. We are ashamed of everything that is real about us; ashamed of ourselves, of our relatives, of our incomes, of our accents, of our opinions, of our experience, just as we are ashamed of our naked skins.
People always get tired of one another. I grow tired of myself whenever I am left alone for ten minutes, and I am certain that I am fonder of myself than anyone can be of another person.
The public want actresses, because they think all actresses bad. They don't want music or poetry because they know that both are good. So actors and actresses thrive and poets and composers starve.