A long, long time ago I was helping out on a renegade pot farm in the mountains of northern California. It was the farmer's first year growing on the property and as such, he had no amenities at all for the few of us that came down to help.
The shitter was literally just a 6 foot deep pit with a couple 2x4's laid across it. Initially, it was the most horrifying thing I had ever seen. I considered dropping the gig, but the pay was much too nice to turn it down. So I sucked it up and made the best of it.
The farmer did at least have the foresight to position the pit in a spot on his hillside that offered what was likely the best view of the surrounding mountains you could see from anywhere on his property. The first handful of days shitting in that pit was pretty rough, I'm not gonna lie. Especially with the early winter chill rolling in. But after the initial shock of it wore off and I got used to, well, shitting in a pit (as much as one can), I came to actually look forward to it each day. The way the sun crept up behind those ridge lines was just such a spectacular view every morning. The way the trees would sway in the subtle breeze and the misty mountain fog would dance thru the valley below. It became such a magical, meditative moment each morning.
I hope no one here ever really has to shit in a pit. But if you find yourself in that situation, make you sure you at least dig it somewhere with a spectacular view.
Also in Northern California, not nearly as gorgeous of a view, but I was helping a friend and her husband pull honey because they had just started beekeeping, and started with a lot of hives (due to someone retiring).
Anyway, I was there for hours with them in a large garage in the foothills in the middle of the woods, and I really needed to go to the bathroom. It was a similar setup to OP's picture, except 3 of the sides were up. No roof, no door at all, and it was like 105 degrees out.
At first I was nervous, but no one was going to look and I was facing the woods, so... weird experience, but it was actually kinda pleasant? It was just me, the trees, some birds, and the bugs! I've gone on week-long canoe trips where we had to dig a poop hole with our own trowel, but the mix of civilized (kindof an outhouse??) and not civilized at all was MUCH weirder.
I used a similar setup once in the Appalachians. The back wall was fortunately still standing. I had been backpacking for 3 days and hadn't gone once, so I was backed up, but all that activity kept it loose. The view was absolutely beautiful. The open walls let in a fresh breeze, so no outhouse smell at all. Once I forced myself to get over the awkwardness of the exposure and just go, it all came together. Best Shit Of My Life. 20 odd years later that dump still ranks among the most sublime moments I have ever experienced.