You're not a responsible adult until you recognize debt is a tool. You can use the tool well or poorly but it is just a tool.
And if we get more productive disposable income will go up and that will feed into land prices.
All the rentier need do is wait.
edit: would love to hear the counter to this from whomever downvoted me - it's a fact that with our system productivity improvements flow into land prices therefore speculating on land sees you capture these gains.