It is disadvantage for buyer in long run.

in such a situation. It is lease hold property that the land owner has the right anytime to charge you land lease fee. Usually it is negotiated every few years. If the owner decided to hike the lease fee, you will face either to move out or paying.
For short term you can own something much cheaper to start with, but you will lose the control of your finances and also lose the opportunity for land appreciation.