Of course it is. If it wasn’t, I wouldn’t be able to sell it, take the money and invest in something else.

This is like saying that in order for business owners to exist there have to be people who want the products that that business provides. So what?

This is like saying that if everyone had a small business it would destroy the economy. If you think a rental damages the economy, you have no idea what the economy is, or how it works.