someone who thinks like this would not know what "the internationale" is.
someone who used East Germany's flag and Haiti's flag would also know the flag of China
a Pelosi fan wouldn't do "Nazis were the real socialists", U.S. liberals think the Nazis were far-right, and a U.S. conservative would never put Pelosi in the "perfect balance" slot
Satire, somebody who cares this much wouldn't spell Gryffindor wrong. That's the only hint I can think of tho
Other hints: