That sounds like wishful thinking. If I leave my private photos and sex videos on the local supermarkets local-ads bench, I can all but hope that they will only be used for innocent fun. But who would actually expect that?
Posting things on the internet is a verbatim open license for your stuff to being used and sold. Perhaps your country has some laws. But nobody is keeping some local vietnamese company in check, or that indian outlet. Or any other place in the world.
The internet is public. Any bot can just parse reddit. All those pictures are being used anyway, with or without reddit making some cash with them. It's just legal issues and drama. The data is out there, and someone is making money with it. Already. Just without making it public. All this outrcry is just additional marketing.