This is a blanket terms of use for their data store. They want you to cite them. And they don't want it to be possible to launder the data by having a non-profi

This is a blanket terms of use for their data store. They want you to cite them. And they don't want it to be possible to launder the data by having a non-profit/non-commercial user re-upload, so that a for-profit user can then download. This feels like a heavy hammer for that purpose, but it seems pretty straightforward to read between the lines on these terms.