[tholmes]

He was using the english word demand. In that these college graduates will demand (require, insist upon, refuse to work unless given) more money to accept given position. Applying jargon to an english sentence is a pointless and frustrating exercise.

[randyrand]

Right above he/she uses supply and demand to explain higher wages. Then uses colloquial demand right under it to further explain it.

Given that, either they aren't sure of the distinction between the two and were making a mistake, or do understand the difference but still managed to make a false equivalence.

I'm betting on the first, which is why I took the time to explain it.