Heya, is it possible to detect the worm on iOS / macOS? Does the fix in latest OS just remove the worm if unknowingly infected? Reads like a zero click infecti

Heya, is it possible to detect the worm on iOS / macOS? Does the fix in latest OS just remove the worm if unknowingly infected? Reads like a zero click infection leading to arbitrary execution of long running code. Seems fairly insidious?