There's actually a good reason they don't have it

Is there really a good reason not to have PHD Flopper on a vertically inclined map?

When you die from falling off the map, isn't that fall damage? You don't take fall damage. Jump off the map, all of the sudden you do take fall damage. When you have PHD flopper, you shouldn't be afraid of any height. They actually do have the machine but you can't get to it😢

I know that. You can't even get it from the Jumping Jacks, god knows I've tried. Even if you don't fall off the map if you make a jump, you still take a lot of damage, with or without Juggernog. With Flopper, not only would you have gotten more distance, but you also wouldn't have gotten hurt, and you probably would've taken out some stiffs in the process.