In reply to Carolina Nymark.

What service do you think is most compatible with WP's open source philosophy and that we should choose to promote?

Encouraging hotlinking is also pretty suspicious, especially after the previous bait and switch.

This came up on Tavern before:

Unsplash Updates its License, Raises GPL Compatibility Concerns

Maybe if there was a way again to find just the CC0 licensed images, which the Creative Commons also requested, this could be okay to promote.