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
To your first point, it seems as though her main complaint was there wasn't much of a way to dialogue with both party officials and the critical left she talks about.
To your second, no one likes when someone they know and respect is being fed-jacketed.
How useful her critiques are when even the non-government critical-voice she talked to (Maykel Vivero) said:
I think even she doesn't really see the realities, considering she thinks Cuba's standard of living can be raised and there can be less discontent if more voices are heard.
She wants the support to be more critical, but considering how bad the embargo is (and everyone in her group and the Cubans she talk to agree about), it seems as if this is largely a pointless exercise. No government is perfect, but what can you do from America where more people are pushing for an overthrow than an embargo lift. Weird not to mention Allende in this whole discussion too.
She literally posted in her critique that she met Maykel Vivero, who did positive coverage of the San Isidro movement. The San Isidro Movement leader Luis Manuel Otero Alcántara took money from an org that gets money from USAID and NED. Like don't do fed shit if you're gonna complain about people thinking you're a fed. And yea, fed jacketing is bad but that's like literally fed shit.
There are several DSA caucuses that parrot US State Department and NED-funded talking points uncritically.
I think they're mostly naive, selfish, and chauvinist, i.e. true believers in wrong ideas rather than feds. Though in effect it doesn't really matter.