Isn't asking password confirmation business logic?

question 2 connections

An audience member objects to Ivan's example, noting that requiring password confirmation could be part of the domain. Ivan agrees it could be in some scenarios, but argues that frequently it's a pure application/technical detail that Rails encourages dumping into the model regardless.

answer_summary

Sometimes yes — but often it is an application/framework detail, not a domain rule; Rails lets both end up in the model.