And that's with a controlled release of mana. Considering what damage Myne must do, with mana on the same scale as him, if she were to lose control of it, it only makes sense that Ferdinand saw her execution inevitable if she was unwilling to be adopted.
I agree in principle, but Americans don't have the prerequisite knowledge for more advanced ethno-nationalist racism, that's why we tend to stick to colorism
One thing I didn't see mentioned is the shutter on page 22, calling back to Part 1 when Myne insisted on demonstrating that the hinge attaching the shutter for her family's home needed replacing and broke it in the process.
I think the distinction between smartphone and flip phone are important here, because Koguma has a cell phone, she just doesn't have a smartphone. I imagine the raws used スマホ here