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I like how you've put it here:

> Needless to say it's a bit more involved, but I felt more accomplished when I figured out how to cook with it.

The rituals and sense of accomplishment. Teflon is very convenient, when it fails you buy a new one, RVS takes a bit more expertise and cast iron is even more of an adventure, it gets better over time, last many generations. It is different in that it heats very slowly but also stays hot when you put it on the table. Nice for slow dining and/or foods that don't stay warm for long. If the handle is also iron you can put it in the oven. You get to cook different dishes that go from the stove in the oven.