Right, that.
Whether a movement is considered as "religious" by someone should never factor into those decisions. Precisely because it is such an arbitrary choice, so frequently and so easily abused, and beyond that also harms the ability of less acknowledged movements to be recognized for what they are.
If tax exemptions are to be requested or granted, it should always be on the basis of concrete, demonstrable activities or self-imposed restrictions.
Many a self-styled "church" is actually more akin to a pyramid money scheme with highly paid and privileged CEOs, even if they prefer to call those priests, pastors, missionaries, reverends or apostles.