At least three things are happening here,
A. Some percentage of Taqiya.
B. Some percentage of actual conversion to Christianity.
C. Some amount of accepting the existence of Christians.
If such is the case, I consider it a net plus for the civilized world.
The only “net plus” is in this ruse to murder you.
Who doesn’t know more complete and increasing infiltration of the Church by the Evil One is the Plan.