That's how revolutions work, if you disagree you usually get killed.
The thing is that people would get killed for disagreeing even under Batista. If your family was happy with Batista then I don't think they were in a clean line of business.
I agree, especially considering that Batista had been sold arms until 1958, when the fights with the rebels had been ongoing for a while already (1956 I believe). The result is that Batista fought the rebels using USA weapons, embargo or not.
The thing is that people would get killed for disagreeing even under Batista. If your family was happy with Batista then I don't think they were in a clean line of business.