Yeah my bank does the same except don’t think there is an opt out.
Kinda crazy
Spam 0, you’ll eventually get some customer service agent
Fancy private bank so getting a human isn't the issue
...but I know one of the signals they use for authentication is voice analysis in background...which I do not love.
That’s the sneaky bit they don’t tell you when you hear the “This call may be monitored or recorded” part.