Magic!
..or the fact Canadian pilots stopped doing annual in person medicals, exactly when the trend changed.
https://www.blacklocks.ca/ask-mps-to-permit-digital-id/
"Canada’s airports are petitioning the Commons finance committee to introduce digital identification for domestic travelers"
"Unlike the past, where biometrics were not generally required for citizenship, this policy will make biometrics mandatory for all applicants by 2027."
The slow (and steady) march continues..
https://immigrationnewscanada.ca/new-canada-citizenship-rule-biometrics/