I'm betting, without even hearing the album, but based on his prior work, that the album is chock full of samples he couldn't get cleared but wanted to include,

I'm betting, without even hearing the album, but based on his prior work, that the album is chock full of samples he couldn't get cleared but wanted to include, so he decided to just release it anyway. And, as mentioned above, he's not the first person to be in that situation.