I work in startups mostly, where requirements are not defined and the business learns as it goes; it's simply not possible to identify all the areas that are "snowflake" ahead of time.
It is sometimes possible to persuade the business that if they create the process in a way that matches the framework it will make life easier for everyone. But often that isn't possible, and often there are good reasons for that.
I see. When writing my comment I also had in mind all the businesses that are not primarily technical (shops and such).
I think it’s often possible to identify the truly inflexible/snowflake aspects the business and still make use of frameworks/CMS. For a tech-focused company there are possibly more cases in which building your own is a viable decision, but with other companies that don’t have strong technical brains so to speak “this will cost you more to develop and more difficult to hire for later” is something they would understand…
It is sometimes possible to persuade the business that if they create the process in a way that matches the framework it will make life easier for everyone. But often that isn't possible, and often there are good reasons for that.