Conversation so far:
What was Gustaf best known for in the public?
Gustaf V was considered to have German sympathies during World War I.
How did the public feel about his sympathies with Germany ?
Another of Gustaf V's objectives was to dispel suspicions that he wanted to bring Sweden into the war on Germany's side.
Did he side with any other countries beside Germany ?
On 18 December 1914, he sponsored a meeting in Malmo with the other two kings of Scandinavia to demonstrate unity.

Question: Were there any controversies during his reign ?
Self-contained rewrite: Were there any controversies during Gustaf V's reign?