anonymity =/= privacy
You can have two users that are using their IRL names yet their conversations can be completely private if were using encryption
There can be two anonymous users shouting to the world, their conversations completely public, AKA Nostr
Here is the address I use:
89spcfRbp8EZZF2Qf9qJNSBjbx7fJAdJcEf64GBP1Vgg8yNrKHVLtJXLt4jWr3hcYeYUePpKfg5MkNYsjNc9sx3m3ymcMt4
It's simple to figure out. You can test for yourself if Monero is private by seeing what information you can gather on any xmr blockchain explorer. See if you can find amounts or other addresses I've sent to or received from: