Because it is Forum Announcements, It's a board dedicated to announcements and not discussions just like bitcointalk Important Announcements
But some users still discuss there.
For example, the moderator closed a very similar thread that could have been discussed.
KYC on this forum So, I understand what is happening here, but I do not understand the concept where the same topic is closed because it has become unnecessary, but in the limited part it is still being discussed and visible to everyone.
Of course, this is not a major thing that should take up anyone's time, I'm just curious about some of the principles on this forum.