They’re all signed to the red bull company, not the teams anyways, which is why they can be swapped around so easily. DR could (technically) drive for RB without a problem.

Lehrerbildung für inklusiven Unterricht, evtl kleinere Klassengrößen (-> mehr Personal nötig), Inklusionsbetreuungskräfte, Infrastruktur, …

They do all the actual searching with Google Maps, Lens and Images. None of that is Open Source, just the site to host the results and findings if I understood the article correctly.