[gruez]

The comment was in reply to:

>Even if the bureaucracy is the worst offender, every foreigner buying a house still results in 1 less house for Spaniards.

It's pretty clear that supply and demand isn't a consideration here, and the commenter is strictly focusing on the aspect that one house is being removed from the housing supply.

[llamaimperative]

If you remove a house from the supply, by any method, there is one fewer house in said supply.