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
Show
Deeply unserious people
The opening complaint is that the International Committee didn't follow up on the trip properly. This seems to be an indictment of the entire visit, as if the author is trying to dismiss it as a vacation for spoiled rich kids.
No word on who else attended or what they accompolished or how they planned to continue outreach to Cuba. Just some wishy-washy "We should be fighting imperialism at home" with no other plan of action.
Demanding that people come up with a detailed 69-point plan for global revolution before they can criticize social chauvinism in their party is absurd and bad faith behavior on your part