Well, most Danes probably wouldn’t call Willie (i.e. Emperor Wilhelm II of Germany) “Dear”, even if he once during a visit to the Danish royal family famously declared that he felt like a son of the house of Glücksborg. Needless to say, the statement created some unease.
In the longer perspective, Wilhelm’s bad political judgement led to Imperial Germany losing World War I and the reunification of Northern Schleswig with Denmark, so maybe we still owe him a greeting in a warped way.
Aynway: Today is Wilhelm’s 150th birthday and it is accordingly not being celebrated in Germany. German-readers and -listeners may still enjoy two critical appraisals of the life and disastrous career of Wilhelm II published by DeutschlandRadio:
Bonus question: Which political leader of the 2000s does this remind you of – “he was not a man of deeds, he loved the show”? (Here’s my immediate association)