The New York Times Releases Its Dataset of U.S. Confirmed Coronavirus Cases
> In light of the current public health emergency, The New York Times Company is providing this database under the following free-of-cost, perpetual, non-exclusive license. Anyone may copy, distribute, and display the database, or any part thereof, and make derivative works based on it, provided  (a) any such use is for non-commercial purposes only and (b) credit is given to The New York Times in any public display of the database, in any publication derived in part or in full from the database, and in any other public use of the data contained in or derived from the database.<p>How is this form of license valid for what's essentially just numbers from publicly available data?  Do I get to take numbers from various sources and then require credit and that nobody can use them for commercial purposes?