SRF (reputable) and Hauptstadt (very local, focused on Bern, I'm not familiar, but doesn't look made-up) report on it as well.
As absurd as it is to see (I had my first ski lessons on those very slopes), I think it checks out.
https://www.srf.ch/news/schweiz/wegen-gruener-pisten-gstaad-...
https://www.hauptstadt.be/a/helikopterfluege-hauptstadt-brie...