

Yes. In order to launder your dirty traffic, you need to mix it with lots of other traffic. And you need it to be safe to avoid attribution.
The US military (and various 3-letter agencies) needs the service to be secure, provide strong anonymity, and to include a sea of traffic thats mostly not their own
its really really save
Edit: sorry I misread it as XMR.
XMPP can be very unsafe. It depends on the client you use. Its best to use a protocol that doesn’t allow unencrypted messages to be sent at all. Like Wire or Signal.