What do you expect. He went from Blurred lines to talking about Paula.
He's more interested in getting his wife Paula back than money. Sometimes in your life a person is more important than money (record sales). He's trying to use the only way he knows to get her back -using music. She supported him before his Blurred Lines fame. Anyway 20K is in the usual range of record sales before Blurred Lines fame.
Sis, a 360 would mean he would've gone back to the same place.
The Evolution of Robin Thicke, 20,000 (2006)
Something Else, 137,000 (2008)
Sex Therapy, 123,000 (2009)
Love After War, 41,000 (2011)
Blurred Lines, 177,000 (2013) Paula, 20,000 (2014)