YouTube's advice to creators is to do exactly this - post the video privately to let the algorithm and potentially the human review go through before making it public.

Sadly, since this process can take up to 48 hours, this doesn't work if your videos have any kind of time sensitivity.

It also doesn't help with videos of streams, which are automatically posted immediately after the stream's conclusion.

YouTube is trying to roll out something like this, it hasn't taken effect yet though.