No, Marco Rubio, government did not cause the housing crisis
For obvious reasons, this argument is very popular on the right, but there’s precious little to back it up. The core claim can be a bit slippery, but it tends to go something like this: the existence and affordability goals of Fannie Mae and Freddie Mac (the GSEs) and the Community Reinvestment Act (CRA) were a major reason we had a subprime-driven housing bubble and then a crash. The only problem? Pretty much all the evidence on the housing crisis shows that that’s not true.
worth a read.