“Given the inhumanity of the current situation, which is also leading to emotional reactions in our own society, we believe it is undesirable to allow this concert to go ahead,” the organisers said, adding that they had chosen not to collaborate with partners who had not “distanced themselves unequivocally from that regime.”
Also in dutch on VRT.be: https://www.vrt.be/vrtnws/nl/2025/09/10/gent-festival-van-vlaanderen-annuleert-muenchner-philharmoniker/
Even if it’s not aimed at the conductor personally, it’s a good way for the cultural sector to put the pressure on.