I always thought it was more to do with the fact that their youngest son had just turned 18. So he was probably moving out of the house to college. There is a big culture here in the US to “stick it out for the kids until they move out” mentality. So I just thought that is what they were doing.
If it is for the Government of Cuba then yes. However, individuals can utilize the software.
This is the Bureau of Industry and Security website
This is the law itself