Interesting way to organize your data. This gives a library feel for sure. At least it makes me curious.

Interesting feature from the Python language. Lots of features are actually built on top of it.

Interesting point of view... it's also about the perceived cost of a task. Of course this means one needs to get faster through practice, it's not about delivering botched work.

Interesting idea, personas help with producing features, something is needed to prevent features we don't wante.