All securities have exposure to something that can result in them crashing. Despite this, people are still buying them. It would be pretty ridiculeous to say “r

All securities have exposure to something that can result in them crashing. Despite this, people are still buying them. It would be pretty ridiculeous to say “remember the Great Depression? Don’t buy any stocks! It’s a scam!” So what’s the difference with MBSs? Also, what exactly about MBSs do you think makes them fundamentally unsound investments?