User accounts tend to be a central part of any application that stores data somewhere, and is prone to custom logic and assumptions. From experimental todo list

User accounts tend to be a central part of any application that stores data somewhere, and is prone to custom logic and assumptions. From experimental todo list apps to POS management software. I can’t imagine account deletion is straightforward for most of the implementation, even just from a legal standpoint when money changing hands is involved. I think it’s a complicated enough issue that it should be tackled from the start (which is usually the case) and kept track of as the product/service evolves.