Agreed. The most important take, IMHO, is that you have structured/disciplined way to do things, and do it everywhere. It could lead to a lot of code (the part

Agreed. The most important take, IMHO, is that you have structured/disciplined way to do things, and do it everywhere. It could lead to a lot of code (the part about all that validations upfront), but having a distinct and regular style surely is a benefit for a large-sh team, that look like is the focus. For a smaller one, some of this stuff can be different, but the point is well argued.