Forsén stated in the 2019 documentary film Losing Lena, "I retired from modeling a long time ago. It's time I retired from tech, too... Let's commit to losing me.

From Wikipedia

She was a paid model, so I don't consider the usage unethical based on that. But I like this comment from a journal:

In today's age of high-resolution digital image technology, it seems difficult to argue that a 512 × 512 image produced with a 1970s-era analog scanner is the best we have to offer as an image quality test standard".

Lmao, they do have a point though!