I wouldn't say "unknowingly" since stories like [0] have been posted for years/decades and people were given "free" internet (data) to play the game [1] . It's more that people just didn't give a shit. I'm sure there are new details about the usecases for the data, but not that data was collected unknowingly

[0] https://auth0.com/blog/2016/07/11/pokemon-go-catches-all-you... https://news.ycombinator.com/item?id=12075477

[1] https://www.theverge.com/2016/7/14/12192752/t-mobile-pokemon... https://news.ycombinator.com/item?id=12099159