I’m not missing the point.
The fact of the matter is that it was an intentional design decision by Asobo.
There is a how-to guide about working around it here https://forums.flightsimulator.com/t/how-to-how-to-actually-pause-the-sim/143817
If you read my posts in this topic you will see that I am not a fan of Active Pause.
There is a Wishlist topic about this too https://forums.flightsimulator.com/t/please-let-us-have-a-pause-mode-that-actually-freezes-time/171916
I voted for this wish a long time ago.