Yes they do. Someone got banned for Cuba sanctions [1], others I don't know the context [2], and for others media attention is enough [3].

[1] https://www.onlinehaendler-news.de/recht/urteile-entscheidun...

[2] https://www.sbs-legal.de/blog/update-sbs-legal-erwirkt-zwei-...

[3] https://www.test.de/Leserfall-Wenn-Paypal-ein-Kundenkonto-ei...