Almost all consumer electronics come with backdoors—especially given the prevalence of computational advertising. Before criticizing Tenda, we ought to clarify whether this is a consumer-facing (2C) or business-facing (2B) product.
DOH is a protection for your privacy from ISP. Actually you can set multi DOH server with load balance to avoid your dns info concentrately collected by one dns provider.
I am mostly pretty underwhelmed with LLMs' code, but this is a use-case that makes perfect sense to me, and seems like a net-positive: using them as a reference manual/ translator/ training aid.
I just wish I saw more people doing this, rather than asking them to 'draw 80% of the owl'.