Except it's delayed in action - there are already other threads running that'll still be running by the time the expression completes. So it's okay if you've go

Except it's delayed in action - there are already other threads running that'll still be running by the time the expression completes. So it's okay if you've got zombie threads running until the entire process is upgraded. It gives you time to initialize a clean object before its effective. You won't get immediate (2-4) year change to effectiveness. But during the subsequent election cycles you will. So it'll take at least 6 years following the passing of the act to upgrade the process entirely.