Almost certainly /s. "Danke Merkel" ("Thanks Merkel") was once a sincere criticism from conservatives regarding her policies (esp. during 2015 refugee crisis), but it quickly evolved into a sarcastic, deadpan joke used to blame her for literally anything that goes wrong in daily Germany - even years after she left. Interesting phenomenon...

What about "Thanks Obama"[0]

[0] https://en.wikipedia.org/wiki/Thanks,_Obama

It's our version of Thanks Obama.