Certainly.
The aspect of sponsorship, which is somebody who is putting in a sponsorship that there is enough money once they land here, is one aspect that is taken into consideration by the visa officers. The other aspects we take into consideration are what their standing is over there, their ability to come back after they visit, their travel history, their ability to provide that documentary proof so that the visa officer is convinced that the purpose for which the person is travelling is fulfilled.
There are a multitude of factors that are taken into consideration before a refusal is made.