IIRC Chaincase wallet has it's own coordinator.
I was under the impression that Chaincase never got out of beta and has now been shut down entirely:
https://chaincase.app/words/sunset-ios-testflight-beta-export-guideAdditionally that means those company also know owner of that input have plan to use CoinJoin or have interest to protect their privacy.
And that's without even touching on Wasabi's mixing of toxic change with coinjoined outputs, defeating the entire purpose in the first place.