That seems like putting the cart before the horse. Diagnosis tools could mean faster access to treatment. Currently in the UK the waiting list for access to me

That seems like putting the cart before the horse. Diagnosis tools could mean faster access to treatment. Currently in the UK the waiting list for access to mental health treatment is on the range of two to three years. Transforming "suicidal ideation" from a "vague human-given diagnosis" to "tool-given diagnosis" makes it politically easier to push for that. In any case, that's not going to happen based off a single study with 91% accuracy.