Bearing in mind that when the communists took over in 1959, I think it was, much private property was seized, people were executed and other people were deported or had/chose to flee.
This anti-Castro group has not forgotten.
Even a baseball skipper in 2012 gets skewered when he crosses these folks.

As the old guard dies off one would expect that relations would gradually improve.
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NO STEP ON SNEK