I'm torn on this one. One the one hand I would love that extra privacy.

On the other, I really value knowing if someone is in the stall next to me and how many people are in the bathroom. If the stalls extend to the ground how am I supposed to scan for legs? Someone could be hiding in there waiting to frighten me! I cannot use the bathroom until everyone has left it. Just how am I supposed to verify that some quick-footed coworker hasn't made their way in during someone's loud flush?

I cannot stomach this game of chance.

> how am I supposed to verify that some quick-footed coworker hasn't made their way in during someone's loud flush

Most places with full-coverage stall doors also have occupancy indicators on the outside - if you go in and lock the door, it changes from green to red.

I'm going to need an internal panel indicating the occupation of each stall.

How do you use the bathroom on a plane?

I don't use the bathroom on a plane. I'm at a young enough age that holding it isn't too complicated. Though it has been some time since I did a 6+ hour flight.

use an accessible bathroom that usually exist in the public spaces?

Blame the people who spend all their time worrying about what your doing in private.

I always assumed it was to make it easier to mop/clean.

The rest of the planet mostly does ok.

But maybe it is a ... wait for it... moptimization!