Which were the same permissions that the users of the Kogan app gave. Remember that the issue here revolves around the fact that friends of the users of either app never gave permission for their data to be used. The only difference is that Obama did this to about 4X as many people.

Also, that number 189 million is absolutely likely to be way too high and is likely bullshit

According to their own campaign manager, they obtained the entire US social graph, and Facebook knew about it and allowed it to happen. The 190 million number may actually be low.