I think you’re unfairly equating “signing up for cryonics” with “urging others to sign up for cryonics”.
“Signing up for cryonics” (and talking about it) isn’t entirely separable from “urging others to sign up for cryonics,” because we are a species of monkeys. Monkey see, monkey do.
“Signing up for cryonics” (and talking about it) isn’t entirely separable from “urging others to sign up for cryonics,” because we are a species of monkeys. Monkey see, monkey do.