Gospel Movie clip (1) - Why Does the CCP Monitor and Oppress Christians So Much?

The Chinese Constitution clearly stipulates freedom of religion, but behind the scenes, the government expends vast human and financial resources on madly suppressing religious beliefs and brutally persecuting Christians. They have not even stopped at purchasing the most advanced surveillance equipment to monitor, track, and arrest Christians. The Chinese government has stripped its citizens of their right to freedom of belief and has wantonly deprived believers of their right to subsistence. So what really is the reason and the goal behind the CCP doing all of this?