(IANAL) You can normally safely ignore such things.
Especially when I'm building databases that I want other organizations to be able to use.
Fun fact: many geocoding APIs have restrictions on what you can do with the data you get back from that geocoder - including how long you can store it and whether you are allowed to re-syndicate to other people. That's one of the reasons I like OpenCage: https://opencagedata.com/guides/how-to-compare-and-test-geoc...