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I mean on the small ROM of MCUs you don't usually want to keep the device tree around, so it's just sensible that it gets turned into macros and is not accessible at run time.

Given that FreeRTOS does not deal with hardware at all, I don't see how it is a comparison.

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It's not a comparison, but if you're looking for a lightweight RTOS and trying to decide between the two Zephyr looks appealing at first because you think you're getting a lot of facilities that are equivalent to a Linux-class kernel.

And then you discover you're not getting any of that.

If all Zephyr DT is doing is making a fancy header file for me, I'd rather just build my own and skip the learning curve.

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