Why go live if you don't have a reasonable expectation of users?

Worrying about HA when you don't have customers that need it is one thing, but I wouldn't want to be in a place where I have to put a banner on the website asking users to please make a new account because we had an oopsie.

To be fair, there's a big difference between "we do periodic backups" and "we can restore to any millisecond since product launch.