I’m sad to hear that, but also unsurprised.
What can I say? No one is going to force another to escape their imprisonment. You won't decide to escape until you look around and make your own assessment of your circumstances and apply some simple logic to why those circumstances are what they are.
If my relatives are unwilling to look with their own two eyes, and stop substituting propaganda for critical thinking, then there's nothing I can do to help them escape.