In my experience, people "intuitively" jump to basically every conclusion besides this one. "Greedy landlords" or "[favorite scapegoat] collusion" are intuitive conclusions which are far more common than supply and demand.
> Ask yourself, do Canada, Australia, New Zealand, the US, Britain, Ireland, etc, all have the same inability to build or is there maybe some other common cause?
Yes they do, to varying degrees. The Anglo land use regime is a disaster.