Their websites were blocked long before the regime started to name FBK as extrimists and they switched to apps particularly because apps is harder to block. They probably just didn't expect google&apple to become so much accommodating so quickly.
One of the reasons why they did what they did is because the regime said they would take the local staff as hostages if they'll fail to comply (aka "the staff is responsible for the law breaches made by the company").
What makes you think they didn't try?
Their websites were blocked long before the regime started to name FBK as extrimists and they switched to apps particularly because apps is harder to block. They probably just didn't expect google&apple to become so much accommodating so quickly.
One of the reasons why they did what they did is because the regime said they would take the local staff as hostages if they'll fail to comply (aka "the staff is responsible for the law breaches made by the company").