We can come up with a definition and refine it. Maybe something like: algorithmic content suggestions trying to maximize engagement and time on app (leave out chronological + explicit follow).
Banning is not the way to go about things. India is always ban happy -> a competitive exam in a state? Take down internet in the whole state to curb cheating. Outright banning hard to deal with stuff sets a bad precedent.
You don't ban the users or the internet, you make it illegal to do shitty psyops on the public. They were making plenty of money on chronological friend feeds.