OK, it's more clear, thanks. Because while I agree that, especially with good players, it's much easier not to pass note and to have everyone watching everything that happens, it is separate from the characters not having in particular personal secrets from their history.
Finally, I know that on the internet you need to have an extreme opinion, and while I agree that in general, passing notes and having secrets is not the best things, there are still cases where it makes for better drama, so I don't forbid myself from doing that in my games, I just try to restrict it to the rare cases when it's truly beneficial, and we have a global agreement about this at our tables.
Note that the remote playing and VTTs have created possibilities here, and that some people who like secrets have used that to revive the practice a bit too much, and DM should be aware of this.