IF YOU HAVE EXPERTISE, THEN CONTRIBUTE, DAMMIT: https://developer.gimp.org/core/wgo/
They don’t need somebody to tell them their site sucks. They need somebody to HELP them make it better, to DO the work that you seem to be implying is very easy! They’re literally begging for it on their website.
The popular use for power delivery through a display cable is charging a laptop from your monitor; it’s already very common with Thunderbolt or USB-4 monitors. But 480W seems a bit overkill for that.