I think that's personal opinion though. IMO, stdout is used for anything that might make sense to pipe to another program. Help output doesn't generally make se

I think that's personal opinion though. IMO, stdout is used for anything that might make sense to pipe to another program. Help output doesn't generally make sense to send down the line, so don't send it to stdout. Fine if you do, but a general rule should be human consumption is sent to stderr. Also I wasn't suggesting to speculatively use |&, I was saying to always use it when adding --help, so you don't have to speculate