These selfish persons drive remailer operators into early retirement. Third, many remailer owners get sick of losing money. I hope we are entering an era of financially profitable remailers. This profitability will permit better reliability and stability. Several years ago, there was no technical solution to these problems.
Privacy is valuable.
For example, offshore banking is one of the world's biggest businesses. My prediction came true. Some people set up remailers for their own personal usage, which they may or may not care to share with the rest of us. Some persons are educators or activists. One of the best examples was the great debate about Caller ID on phones.