Honestly its rude to be invited by a country to meet their president who decided to respond to your criticisms of their administration only to not show up and go meet the opposition.
Being invided and then no showing shows complete disregard to basic diplomatic Etiquette since it was a mission to show solidarity against the embargo
Bonus socdems being cringe part 4.5: about another member that didnt show up to the presidential meeting
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Deeply unserious people
Socialist ones? Yes. Are you some fucking chauvinist too or what? Even reactionaries like Kissinger met with socialist heads of state for diplomacy. Your friend is more of a chauvinist arrogant unprofessional idiot than fucking Kissinger, let that soak in