Would it be true to say that cultivation of a non-dualistic view is more important in Mahayana Buddhism than Hinayana?
The two traditions are different in that Mahayana uses a transformation process, that is, we try to "be" a bodhisattva which means incorporating their virtues and their mind. So we try to have a non-dualistic view. We don't get it in the beginning so we continue to refine our views. Question what do we do with hate and craving in Mahayana?
In the Theravada (which is similar to, but, is not hinayana) tradition it is a development process which means we deal with greed, hate and delusion until we eventually automatically come to posses a non-dualistic view.
Some people find transformation easier, rewarding and enjoyable, while others find development easier, rewarding and enjoyable.
Which do you prefer tea or coffee to quench your thirst?
nb similary with Vajrayana.
Non duality is to be realized rather than "cultivated".
Non duality and emptiness are the same.