This is still noticeable in lower power devices. I have discovered that if I leave a usb cable plugged into a MacBook Air M1 usbc socket in standby, it draws a

This is still noticeable in lower power devices. I have discovered that if I leave a usb cable plugged into a MacBook Air M1 usbc socket in standby, it draws about half a watt extra, even though the cable power draw is zero. This means the battery goes flat in a few days vs a few weeks in standby - the PHY seems to be using more power in standby than rest of laptop