Because that wasn't a data selling scandal? Cambridge Analytica didn't buy data on millions of people from Facebook, they harvested it for free due to lax permissions.
"I didn't pay for sex your honor, I simply left money on the nightstand."
I guess they paid for that service and the reason they paid why they paid was the possibility to gather data. they had to gather the data themselves, but that is the difference between robbing an house and opening someone else door to robbers