SRF once did a segment about face recognition and public photos from social media. Under strict supervision and journalism protection they created a data set and showed what was possible. The dataset and code was then destroyed. [2]
Similar laws exist in EU states as well.
[1] https://www.edoeb.admin.ch/edoeb/de/home/datenschutz/Interne...
[2] https://www.srf.ch/news/schweiz/automatische-gesichtserkennu...