Absolutely... Yocto is definitely massively complex compared to BuildRoot. Yocto is difficult to maintain and inflexible despite attempting to be exactly those

Absolutely... Yocto is definitely massively complex compared to BuildRoot. Yocto is difficult to maintain and inflexible despite attempting to be exactly those things. A prime example of over-engineering. In comparison, BuildRoot uses well-known mechanisms and is much simpler to use as a result.