@ljrk @miki Which is why posts like these are made, complete with links to the relevant sources.
Habit is no excuse, and neither is ignorance. If you are concerned that people may not realise it is provided as an example, you should document this, within the context you are using it, because that part of your argument applies regardless of which address you use as an example.
@sindarina @ljrk This is sometimes not possible, for example in config files that have to be written in pure JSON (and hence don’t support comments). Sure, there’s always a manual, but having to read that is nowhere near good UX design principles.