Earlier quoted context omitted.
For all it's worth: the Gimp devs were originally the creators of GTK+, which stood for "GIMP Toolkit" - so GIMP doesn't rely on QT. https://en.wikipedia.org/wiki/GTK+
While this is true, still many package managers will insist on pulling in Qt when installing Gimp anyway, one of the suggested dependencies will require it. Lots of GTK apps will, because the OS team isn't thinking in the same terms you are. And unless you feel like telling your package manager no, an inordinately painful experience involving tracking down the errant dep and blocking it, and having to be forever vigi…