> But can anyone external honestly look at what Twitter has shipped for the last few years and justify that it was at all likely their productivity problems in

> But can anyone external honestly look at what Twitter has shipped for the last few years and justify that it was at all likely their productivity problems in engineering had anything to do with the build system. You say you've worked at a "major public tech company before", so why would you assume Twitter's paralysis was the fault of engineering and not management/product?