It's not scummy at all. I would do the same thing if I had the capital. And logically, older people will have access to more capital than young people so they w

It's not scummy at all. I would do the same thing if I had the capital. And logically, older people will have access to more capital than young people so they will scoop up houses and rent them out. It's rational in current market and conditions. To make this less appealing you need to change legislature, increase interest rates etc.