There is a reason behind people no longer being able to buy houses

Nice explanation but it doesn't alter the fact that when lenders were falling over themselves to sell "finance" (aka toxic debt) to out-of-work people on interest rates that were higher (Northern Rock 110% mortgages) what did we see in 2008?
Now with low interest rates and investing in property on such interest rates and what do we see? Watch this space!

And we have seen it all before, every 15 years or so, because that is a generation that eschews old wisdom because they didn't experience the problem last time. "It is different now" is the cry. Yea, but the hurt that ensues is painfully similar. Watch this space.

Boris will have to sort it out or his party will be toast. Er - it will anyway. The personal greed in his party and its policies will ensure Boris will be unable to head-off the next recession. He has turned his coat, and he has no other colours to change into.
Watch this space.