The other difference is that the password on the sticky note is not actually for the computer, but is used to access network resources which probably are a more

The other difference is that the password on the sticky note is not actually for the computer, but is used to access network resources which probably are a more tempting target for someone to get at. So even though they have physical access to your machine, they will still need to get the password to access the resources on the network. Still regardless having the password there on the monitor is an utter failure.