Don’t worry about the laws, govt’s pass illegal laws and it takes several years, if ever, for some do-gooder to overthrow the law. For example the illegal san diego county tax from the 90’s.
However, the ramifications of the bill will be swift and just. The MBS investors will demand higher rates and most loans will pass through Fannie/Freddie or other nationalized lenders. Barrons stated that Fannie/Freddie bonds have to stay solvent because China, Japan are major holders, but the stocks may go to BK.