Researchers use the word narrowly. A set sequence, done the same way each time, carrying meaning beyond what the actions physically accomplish. Not religion, though plenty are religious. Not belief, and the research is fairly clear you do not have to believe it works.
What it has is a beginning, a fixed middle, and an end. In a week where nothing is under your control, twenty minutes that are entirely under your control is not a small thing.
The reviews describe ritual doing three things: regulating emotion, steadying people under pressure, and building connection between them. What seems to carry the effect is the restored sense of control, which is why practices that look nothing like each other do similar work.
And the part we would rather you heard from us: the evidence is real, most of it is small, and nobody has tested our particular system because it is new. When that changes we will publish what we find, including if it is unflattering.