[tonyedgecombe]

Landlords leverage their easy access to capital to extract rent from those without. It looks parasitic to me.

[HeyLaughingBoy]

Or you could view it as performing a service for those who don't have that easy access to capital.

[swagasaurus-rex]

You could also view it hoarding supply for a limited resource, driving up rent and transferring wealth from the poor to themselves for no additional value.