The tax exemption clearly seems to indicate it is only for religious services. Which means that other charities, including ones without a religious message, are

The tax exemption clearly seems to indicate it is only for religious services. Which means that other charities, including ones without a religious message, are disadvantaged. While the treatment may still be preferential (it still has some unique tax exemptions), it at least sounds closer to fair. The specifics of the tax law of Montreal are probably unknown to most people here.