might be. might also be miui thing, i don't know.

the fact remains that (android does x) does not equal to (some subset of android does x)

edit: seems the function was added in adroid 12 - https://arstechnica.com/gadgets/2023/06/uk-police-blame-android-for-record-number-of-false-emergency-calls/

which means that as of right now it is available to 60% of android users - https://gs.statcounter.com/android-version-market-share/mobile/worldwide/