>>2276782E-tools are fine. They are heavy and cumbersome though, and for normal camping, completely unnecessary. For poop holes in the ground you'd be better off with a garden showel that is compact and weighs next to nothing.
But if you know that are digging trenches or dikes for your tent in case of rain, then an e-tool would be justified. I have an old swedish army milsurp e-tool (from the 80s) in my car. It weighs a lot but is essentially undestroyable. I wouldn't go backpacking with it due to its cumbersome nature. I also have a current issue e-tool of the Finnish defence forces, made by Fiskars, and it is a lot more packable and lighter, but you lose in usability then.
In the picture: on left, the Swedish milsurp E-tool and on the right, the Finnish current issue E-tool.
