When tunneling through a VPN ideally thousands of users will share the same exit IP. So even if all your apps "phone home" identifiable information there is no

When tunneling through a VPN ideally thousands of users will share the same exit IP. So even if all your apps "phone home" identifiable information there is no way to prove that whatever traffic "the law" is trying to pin you on actually originates from your machine. Unless of course if the VPN keeps detailed traffic logs which is why that’s generally frowned upon.