While the reason for Horner's ousting has not been revealed, Red Bull senior advisor Helmut Marko has pointed out that performance concerns led to his exit, and that the decision was taken by the managing director of Red Bull GmbH, Oliver Mintzlaff. Newsweek Sports reported his comments:

The drivers, team workers and new boss all try to look forward as the Belgian GP (and another era) gets underway

Former Red Bull team boss Christian Horner posted a video on social media of himself riding on horseback in the English countryside on the day of the Belgian Grand Prix.