Think they will be rich... Wait until the health care and other end of life costs start to add up. Even here in the UK they can be high, if you end up spending time in a 'home' that can quickly eat through savings. So unless there are amazing full life health care and other insurance policies covering these guys then there is ever chance that all that money could go.
This. The entire point of the establishment convincing people to hand over large chunks of their labour for fiat currency is because they are giving you peanuts. You can't cash it in! All these houses "worth" $1MM - who is going to buy them? Demographics are shifting as the boomers die off.