Which is totally fine. But when that company's main product _is_ a CRUD app.... I don't want think these inverting a binary tree questions are very useful. If y

Which is totally fine. But when that company's main product _is_ a CRUD app.... I don't want think these inverting a binary tree questions are very useful. If your company actually _does_ do that, then I totally agree, a web-designer with some Rails experience, is probably not the right fit.