since jira-cloud, or you truly believed your processes were private?
leaks are assured, but centralisation amplifies impact. no one cares if your self-hosted something gets owned _because_ it does not affect anyone else.
...
It is common knowledge that any ai tool will upload whatever it has access to.
So why the drama? It did what it was designed to do and what you consented to by using it.
If you don't want your foot sawn off learn maybe something about tool safety.