Take an example you scaled down and 1000x1000px image to 100x100px and then scaled it up back to 1000x1000px. In the process you lost a lot of info on the image.
PS solves that by using Smart Objects, Krita by Transform Masks, GIMP? Nope
PS solves that by using Smart Objects, Krita by Transform Masks, GIMP? Nope
I'd say that GIMP is somewhat comparable to the feature set of CS2, though I admit I havent used gimp much.