What is xz? Is it like a tunnel? 

 Recently, companies have been using AI in their graduate hiring process to predict which students are likely to leave the company immediately after hiring them and exclude those students. I'd be eliminated by them in a heartbeat, but I've been working for five years now. 

 Does Apple's OS still not support ECH? 

 If Apple is serious about customer privacy, they should provide a DNS server with DNSSEC functionality and implement DNS over TLS and ECH at the OS level. If they can't do that, they are just another shady "ad agency."