This is an otherwise good comment that starts with an unnecessarily dismissive statement ("This is a horse that’s been beaten to death"). Even assuming this is

This is an otherwise good comment that starts with an unnecessarily dismissive statement ("This is a horse that’s been beaten to death"). Even assuming this is very common advice (which I don't think it is), there are always new people learning to code and design software, who'll find it useful. And beyond that, John Carmack is also allowed to be one of today's [Ten Thousand](https://xkcd.com/1053/ https://xkcd.com/1053/).