Maybe one day they will discover Qt framework too.
A few years back my company put out reqs for Qt devs because we were pushing hard to do some POCs with Qt frameworks. We had a hard time finding those people. I don’t know if it was location or compensation or what.
I did a custom widget for editing petri-nets in Qt (no QML), you just need competent devs, whether you have Qt, GTK, or winforms experience doesn't matter.