One thing I'd find very interesting is if you report somewhere any apps that send telemetry even though the telemetry option is disabled. As you say, little sni

One thing I'd find very interesting is if you report somewhere any apps that send telemetry even though the telemetry option is disabled. As you say, little snitch can't completely help with this since we're still often forced to let the app verify it's registration information. I wonder how many bad actors there are or if the vast majority of apps are trustworthy.