You can use any block explorer to check to see if transactions are private.
You can run your own private block explorer.
They chose to run a chainalysis outfit & a honeypot of Xpubs.
I wonder why?!
They didn't have to collect those Xpubs, they just wanted to, to make more money.
Also mentioning wasabi is a false positive comparison, as I'm not doing some BS compare & contrast as I wouldn't have used either.