Great article on this highly debatable topic - one in which I have studied over the years.

The point of disagreement is this sentence: "Being debt-free means a job loss or other income interruption won’t jeopardize the roof over her head." I would argue that the savings into a larger emergergency fund would be better than stick the cash into brick and mortar.

More reasons are here: https://gregdermond.com/2019/05/why-i-cant-agree-with-mr-wonderfuls-advice-on-mortgages/.