If "you" refers to a typical parent in the US, then it's sensible (but hardly trivial). But it could easily be interpreted as referring to parents who are poor enough that they should give higher priority to buying a safer car, moving to a neighborhood with a lower crime rate, etc.

Eliezer's writings about cryonics may help him attract more highly rational people to work with him, but will probably reduce his effectiveness at warning people working on other AGI projects of the risks. I think he has more potential to reduce existential risk via the latter approach.