Please don't spread lies. What the Obama campaign was doing in 2012 was nothing compared to what Cambridge Analytica did for Trump.
The Obama campaign engagement was overt, users knew they were connecting to a political campaign and whose, and the entity with API access didn't transfer the data for radically different uses than the overt ones to a third party.
The other company didn't spread fake news, conduct honeypot blackmailing schemes, and wasn't funded by one of America's largest geopolitical foes.
Director of the Obama campaign seems to feel they did very similar things, with the tacit support of Facebook (at least after the fact)