Generally, management of many is the same as management of few. It is a matter of organization. And to control many is the same as to control few. This is a matter of formations and signals.
There are bullfighters who do it just for the money-they are worthless [said Hemingway]. The only one who matters is the bullfighter who feels it, so that if he did it for nothing, he would do it just as well. Same holds true for damn near everyone.
To regard one's immortality as an exchange of matter is as strange as predicting the future of a violin case once the expensive violin it held has broken and lost its worth.
I oppose any belief that contradicts experimental evidence as determined by the methods of science. All beliefs not in such contradiction may be considered as faith. Whether faith in a particular belief is beneficial or not is another matter.