Tesla is a good example. Elon Musk became political and anti-EU, which resulted in an irreparable damage of the Tesla brand in Europe. Not for everyone, but a big group of people would never again consider buying a Tesla. As a result Tesla lost market share in Europe.
Apple seems to be on the same path now.
edit: here are some stats https://eu-evs.com/marketShare/ALL/Groups/Bar
Like this? https://www.thestreet.com/automotive/bmw-ceo-has-blunt-new-m...
The DMA is also threatening Apple's high profit margins. That's the whole point of the DMA.