The opposite would be to show the author of the content some indicator that it's been removed, and I would call that transparent or disclosed moderation.
Interestingly, your comment first appeared to me as "* * *" with no author [2]. I wonder if that is some kind of ban.
[1] https://www.youtube.com/watch?v=8e6BIkKBZpg
[2] https://i.imgur.com/oGnXc6W.png
edit I know you commented again but it's got that "* * *" thing again:
Re the 'delay' setting see https://news.ycombinator.com/newsfaq.html.