The windows tool robocopy has a command line switch /NOOFFLOAD. What does this switch actually do, and under what circumstances would I use it?

The documentation for the switch says

/NOOFFLOAD :: copy files without using the Windows Copy Offload mechanism.

Further researching of the 'Windows Copy Offload mechanism' leads to this msdn document, but I have trouble understanding what effect disabling offload actually would have.

If a network file share is on a server which uses 'window copy offload', would using /NOOFFLOAD increase load on the server or decrease load on the server under specific circumstances?
Can it speed up the transfer in certain circumstances?
Would it cause problems for other users to use this option?

The windows tool robocopy has a command line switch /NOOFFLOAD. What does this switch actually do, and under what circumstances would I use it?

The documentation for the switch says

/NOOFFLOAD :: copy files without using the Windows Copy Offload mechanism.

Further researching of the 'Windows Copy Offload mechanism' leads to this msdn document, but I have trouble understanding what effect disabling offload actually would have.

If a network file share is on a server which uses 'window copy offload', what noticeable benefits/drawbacks would using /NOOFFLOAD have on the copying process?
For example, would it increase or decrease the load on the server, or speed up the transfer at the cost of other resources?