1900 NYC colorized by latest and unreleased DeOldify model
twitter.com
twitter.com
Of course for a toy example like this it doesn't really matter. But at a large enough scale, something like this could subtly distort our collective concept of the past. More importantly, when applying ML models to much more impactful domains, they can easily create a more dangerous, subtle collective self-delusion about reality that by definition is very convincing even to its creators.
For a slightly more meaningful example: lots of people in the replies are posting pictures of their relatives, asking them to be colorized. In a very real way this model is subtly re-writing people's memories of what their loved ones looked like.
https://www.gocomics.com/calvinandhobbes/2014/11/09
...really?
Find the actual objects in the real world, like bricks, stones, paints, flowers, then sample them.