Because you'll have to review it, and Go's design limits the number of ways it can go wrong.

Code is free, sure, but it's not guaranteed to be correct, and review time is not free.

If code must be correct, and review time is not free, and review time is costlier than code time, why not just ...

... write the code yourself?

	▲	bigfishrunning 3 hours ago \| parent [-]
		I 100% agree, and do, but it's an answer to the GP's question (why generated code language matters) I think many many people just skip the "review" step in this process, and assume they're saving time. It's not going to end well.