Why doesn’t `precondition(_:_:file:line:)` print the message on -O builds?

[Martin (Martin R)]

It seems that this has been discussed earlier:

What is the reason for precondition(condition:message:) to fail silently in release builds?

I literally spent 7+ hours debugging crashing web server with 132 exit code. At first I thought it's a swift-docker related problem, but then I found out in stdlib source code (and shortly after that in official documentation, lol) that precondition shows error message only in debug builds, otherwise just trap. I can't come up with any reason to do that, because obviously a) this is what precondition is made for — to do sanity checks not just in debug builds (like assert), but also in release a…