[nopassrecover]

I would say it's a red flag about the site. It's certainly not a red flag about the person (why should you have to read through the source to work out how the software works? There isn't even a link to the source from the software beyond using a Google search).

[NathanKP]

I'd say its fun and a challenge to find things by exploration. In some cases, such as poll posting, they are deliberately left unpublicized to prevent over abuse.