It is easy to land in a distance which one can never takeoff from later. Isn't that true for any aircraft?
Only some. Agreed, in a type with low power-to-weight ratio, the landing might be quite short but the take-off much longer, I often find this to be the case in the 90 hp Super Cub two-up. But with more power-to-weight ratio, the balance moves the other way. It is very rare for me to get the Yak-52 down and stopped icomfortably using 300 metres of runway. In still air I'd think I was doing OK using 400 metres. (Perhaps I'm a rotten pilot, I accept the possibility.) I usually get off the ground in much less. Slope plays a role too. If you're operating downhill, you can take ages to stop but leap almost straight off the ground on departure. Uphill it works the other way.
But I wouldn't choose to fly on the back of the curve deliberately... there isn't any point.
I don't know what type you're flying and probably haven't flown one, but a lot depends on individual types here too. Some aircraft have a very narrow "back of the drag curve" regime. Types with high aspect ratio wings, e.g. gliders and motor gliders, tend to be most efficient pretty close to the stall. They also tend to have effective direct means of steepening the descent, e.g. spoilers or airbrakes. So for those types there's not a lot of scope for exploiting the back of the drag curve. Other things being equal, a lower aspect ratio wing will be more efficient at a higher margin above the stall. So something like a plank-wing Cherokee 180, or indeed the Yak, has a very useful and quite broad flight regime on the back of the drag curve, and exploiting this makes it very much easier to land tidily at a determined touchdown point and stop in a short distance. In the Yak, with gear and flaps down, at 160 kph you are on the front of the drag curve. At you reach 150 you can just feel it settle onto the back, and then you have the ability to make small rapid variations to speed and rate / angle of descent quickly in any desired sense. (Only on a good steep approach though, no "dragging it in"!). It doesn't stall until 100-ish in that configuration so the width of the regime is a lot greater than the few knots you might get in a motor glider.