You're technically free to do whatever you want. Murder, steal, go over the speed limit... Laws only establish fines and penalties if you're caught.
fyi, just found this PSA: MQTT Name changes in 2023.8.
TL;DR: Once Z2M updates in September, the warnings will go away.
You're technically free to do whatever you want. Murder, steal, go over the speed limit... Laws only establish fines and penalties if you're caught.