Can you stop disabling F11 Ranking 2 hours before maintenance?

[Kozuki]

I'm not sure all F11 contents are like this, but apparently, Dens of the Ancient (the current F11 for solo dungeon) gets disabled 2 hours before maintenance mode happens.

 

I don't see the point to prevent players trying to earn a better clear time or farming contents that are in F11 ranking. If you want to sort out ranking and give rewards, do that after or during maintenance.