WSL performance is close to bare metal. Telemetry is a problem, yes. Should be at least opt-in. I believe that forced upgrades are a necessity if you have the

WSL performance is close to bare metal. Telemetry is a problem, yes. Should be at least opt-in. I believe that forced upgrades are a necessity if you have the end-user market penetration of Windows. It's a different thing for servers, and one could argue about the implementation details. I don't see ads on Windows (and I'm on the 11 beta channel).